SImplify the options for multiple displays.
This will also be more compatible with newmouse infrastructure
This commit is contained in:
parent
7f8e1a7dea
commit
036ad5d3dd
9 changed files with 155 additions and 193 deletions
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@ -46,16 +46,20 @@
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#define GDISP_INCLUDE_FONT_UI2 TRUE
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#define GDISP_TOTAL_DISPLAYS 2
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/* Uncomment the following lines if you want to use multiple displays on
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* different controllers.
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/* You must either define GDISP_TOTAL_DISPLAYS or GDISP_DRIVER_LIST for multiple displays.
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* You cannot define both!
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*
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* Change the definitions to suit your hardware.
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* Currently all controllers must use the same pixel format.
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* Defining GDISP_TOTAL_DISPLAYS will create multiple instances of the one default driver.
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* Defining GDISP_DRIVER_LIST allows you to specify multiple different drivers.
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*
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* Remember that GDISP_TOTAL_DISPLAYS above must match the **Total**
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* number of displays in your system across all controllers.
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* Extra Notes for GDISP_DRIVER_LIST:
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*-----------------------------------
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*
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* The same controller can appear more than once in the list.
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*
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* You must specify a GDISP_PIXELFORMAT that the application will work in. This
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* is translated into each drivers internal pixel format by the driver. You the
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* pixel format that is most common accross your drivers (for efficiency).
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*
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* Optionally, you can also specify hardware characteristics that are common to
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* all your controllers. This significantly improves code and speed efficiency
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@ -72,9 +76,9 @@
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* #define GDISP_HARDWARE_DRAWPIXEL TRUE
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* #define GDISP_HARDWARE_FILLS TRUE
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*/
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//#define GDISP_TOTAL_CONTROLLERS 2
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//#define GDISP_CONTROLLER_LIST GDISPVMT_Win32, GDISPVMT_Win32
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//#define GDISP_CONTROLLER_DISPLAYS 1, 1
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//#define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_RGB888
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#define GDISP_TOTAL_DISPLAYS 2
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//#define GDISP_DRIVER_LIST GDISPVMT_Win32, GDISPVMT_Win32
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//#define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_RGB888
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#endif /* _GFXCONF_H */
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@ -46,7 +46,7 @@
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#if USE_METHOD_1
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int main(void) {
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coord_t width, height;
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coord_t display, i, j;
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coord_t display, i, j, cnt;
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font_t f;
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GDisplay *g;
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char buf[16];
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@ -58,7 +58,8 @@
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f = gdispOpenFont("*");
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/* Cycle through each display */
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for(display = 0; display < GDISP_TOTAL_DISPLAYS; display++) {
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cnt = gdispGetDisplayCount();
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for(display = 0; display < cnt; display++) {
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// Get the specified display
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g = gdispGetDisplay(display);
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@ -84,7 +85,7 @@
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#else
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int main(void) {
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coord_t width, height;
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coord_t display, i, j;
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coord_t display, i, j, cnt;
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font_t f;
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char buf[16];
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@ -95,7 +96,8 @@
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f = gdispOpenFont("*");
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/* Cycle through each display */
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for(display = 0; display < GDISP_TOTAL_DISPLAYS; display++) {
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cnt = gdispGetDisplayCount();
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for(display = 0; display < cnt; display++) {
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// Set the default display to the specified display
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gdispSetDisplay(gdispGetDisplay(display));
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@ -205,20 +205,18 @@ static DECLARE_THREAD_FUNCTION(NetThread, param) {
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gfxHalt("GDISP: uGFXnet - Accept failed");
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// Look for a display that isn't connected
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for(disp = 0; disp < GDISP_TOTAL_DISPLAYS; disp++) {
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if (!(g = gdispGetDisplay(disp)))
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continue;
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#if GDISP_TOTAL_CONTROLLERS > 1
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// Ignore displays for other controllers
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if (g->vmt != &GDISPVMT_uGFXnet)
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continue;
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#endif
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for(g = 0; (g = (GDisplay *)gdriverGetNext(GDRIVER_TYPE_DISPLAY, (GDriver *)g));) {
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// Ignore displays for other controllers
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#ifdef GDISP_DRIVER_LIST
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if (gvmt(g) != &GDISPVMT_uGFXnet)
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continue;
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#endif
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if (!(g->flags & GDISP_FLG_CONNECTED))
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break;
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}
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// Was anything found?
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if (disp >= GDISP_TOTAL_DISPLAYS) {
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if (!g) {
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// No Just close the connection
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closesocket(clientfd);
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gfxHalt("GDISP: uGFXnet - Can't find display for connection");
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@ -275,21 +273,19 @@ static DECLARE_THREAD_FUNCTION(NetThread, param) {
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if((clientfd = accept(listenfd, (struct sockaddr *)&addr, &len)) == (SOCKET_TYPE)-1)
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gfxHalt("GDISP: uGFXnet - Accept failed");
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// Look for a display that isn't connected
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for(disp = 0; disp < GDISP_TOTAL_DISPLAYS; disp++) {
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if (!(g = gdispGetDisplay(disp)))
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continue;
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#if GDISP_TOTAL_CONTROLLERS > 1
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// Ignore displays for other controllers
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if (g->vmt != &GDISPVMT_uGFXnet)
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continue;
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#endif
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if (!(g->flags & GDISP_FLG_CONNECTED))
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break;
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}
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// Look for a display that isn't connected
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for(g = 0; (g = (GDisplay *)gdriverGetNext(GDRIVER_TYPE_DISPLAY, (GDriver *)g));) {
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// Ignore displays for other controllers
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#ifdef GDISP_DRIVER_LIST
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if (gvmt(g) != &GDISPVMT_uGFXnet)
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continue;
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#endif
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if (!(g->flags & GDISP_FLG_CONNECTED))
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break;
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}
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// Was anything found?
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if (disp >= GDISP_TOTAL_DISPLAYS) {
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if (!g) {
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// No Just close the connection
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closesocket(clientfd);
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//printf(New connection from %s on socket %d rejected as all displays are already connected\n", inet_ntoa(addr.sin_addr), clientfd);
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@ -332,19 +328,17 @@ static DECLARE_THREAD_FUNCTION(NetThread, param) {
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// Handle data from a client
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// Look for a display that is connected and the socket descriptor matches
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for(disp = 0; disp < GDISP_TOTAL_DISPLAYS; disp++) {
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if (!(g = gdispGetDisplay(disp)))
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continue;
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#if GDISP_TOTAL_CONTROLLERS > 1
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// Ignore displays for other controllers
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if (g->vmt != &GDISPVMT_uGFXnet)
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continue;
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#endif
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for(g = 0; (g = (GDisplay *)gdriverGetNext(GDRIVER_TYPE_DISPLAY, (GDriver *)g));) {
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// Ignore displays for other controllers
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#ifdef GDISP_DRIVER_LIST
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if (gvmt(g) != &GDISPVMT_uGFXnet)
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continue;
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#endif
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priv = g->priv;
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if ((g->flags & GDISP_FLG_CONNECTED) && priv->netfd == i)
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break;
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}
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if (disp >= GDISP_TOTAL_DISPLAYS)
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}
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if (!g)
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gfxHalt("GDISP: uGFXnet - Got data from unrecognized connection");
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if ((g->flags & GDISP_FLG_HAVEDATA)) {
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@ -538,7 +532,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
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// Make everything relative to the start of the line
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buffer = g->p.ptr;
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buffer += g->p.x2*g->p.y1;
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priv = g->priv;
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buf[0] = GNETCODE_BLIT;
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buf[1] = g->p.x;
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@ -583,7 +577,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
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// Now wait for a reply
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while(!(g->flags & GDISP_FLG_HAVEDATA) || priv->data[0] != GNETCODE_READ)
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gfxSleepMilliseconds(1);
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data = gdispNative2Color(priv->data[1]);
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g->flags &= ~GDISP_FLG_HAVEDATA;
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@ -108,8 +108,8 @@
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//#define GDISP_TOTAL_DISPLAYS 1
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//#define GDISP_TOTAL_CONTROLLERS 1
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// #if GDISP_TOTAL_CONTROLLERS > 1
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//#define GDISP_DRIVER_LIST GDISPVMT_Win32, GDISPVMT_Win32
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// #ifdef GDISP_DRIVER_LIST
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// // For code and speed optimization define as TRUE or FALSE if all controllers have the same capability
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// #define GDISP_HARDWARE_STREAM_WRITE FALSE
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// #define GDISP_HARDWARE_STREAM_READ FALSE
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// #define GDISP_HARDWARE_QUERY FALSE
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// #define GDISP_HARDWARE_CLIP FALSE
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// #define GDISP_CONTROLLER_LIST GDISPVMT_Win32, GDISPVMT_Win32
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// #define GDISP_CONTROLLER_DISPLAYS 1, 1
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// #define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_RGB888
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// #endif
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// Our special auto-detect hardware code which uses the VMT.
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#define HARDWARE_AUTODETECT 2
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#if GDISP_TOTAL_CONTROLLERS > 1 && !defined(GDISP_DRIVER_VMT)
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#if defined(GDISP_DRIVER_LIST) && !defined(GDISP_DRIVER_VMT)
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// Multiple controllers the default is to hardware detect
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#define HARDWARE_DEFAULT HARDWARE_AUTODETECT
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#else
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* @brief The display hardware can benefit from being de-initialized when usage is complete.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note This is most useful for displays such as remote network displays.
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*/
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#ifndef GDISP_HARDWARE_DEINIT
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* @brief The display hardware can benefit from being flushed.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note Some controllers ** require ** the application to flush
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*/
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#ifndef GDISP_HARDWARE_FLUSH
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* @brief Hardware streaming writing is supported.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by each driver
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*/
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#ifndef GDISP_HARDWARE_STREAM_WRITE
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* @brief Hardware streaming reading of the display surface is supported.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*
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*/
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#ifndef GDISP_HARDWARE_STREAM_READ
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* @brief Hardware supports setting the cursor position within the stream window.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note This is used to optimise setting of individual pixels within a stream window.
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* It should therefore not be implemented unless it is cheaper than just setting
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* a new window.
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@ -97,7 +97,7 @@
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* @brief Hardware accelerated draw pixel.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note Either GDISP_HARDWARE_STREAM_WRITE or GDISP_HARDWARE_DRAWPIXEL must be provided by the driver
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*/
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#ifndef GDISP_HARDWARE_DRAWPIXEL
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* @brief Hardware accelerated screen clears.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note This clears the entire display surface regardless of the clipping area currently set
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*/
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#ifndef GDISP_HARDWARE_CLEARS
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* @brief Hardware accelerated rectangular fills.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_FILLS
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#define GDISP_HARDWARE_FILLS HARDWARE_DEFAULT
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* @brief Hardware accelerated fills from an image.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_BITFILLS
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#define GDISP_HARDWARE_BITFILLS HARDWARE_DEFAULT
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* @brief Hardware accelerated scrolling.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_SCROLL
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#define GDISP_HARDWARE_SCROLL HARDWARE_DEFAULT
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* @brief Reading back of pixel values.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_PIXELREAD
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#define GDISP_HARDWARE_PIXELREAD HARDWARE_DEFAULT
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* @brief The driver supports one or more control commands.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_CONTROL
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#define GDISP_HARDWARE_CONTROL HARDWARE_DEFAULT
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* @brief The driver supports a non-standard query.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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*/
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#ifndef GDISP_HARDWARE_QUERY
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#define GDISP_HARDWARE_QUERY HARDWARE_DEFAULT
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* @brief The driver supports a clipping in hardware.
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* @details Can be set to TRUE, FALSE or HARDWARE_AUTODETECT
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*
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_TOTAL_CONTROLLERS > 1
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* @note HARDWARE_AUTODETECT is only meaningful when GDISP_DRIVER_LIST is defined
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* @note If this is defined the driver must perform its own clipping on all calls to
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* the driver and respond appropriately if a parameter is outside the display area.
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* @note If this is not defined then the software ensures that all calls to the
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@ -310,16 +310,16 @@ typedef struct GDISPVMT {
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} GDISPVMT;
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// Do we need function definitions or macro's (via the VMT)
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#if GDISP_TOTAL_CONTROLLERS <= 1 || defined(GDISP_DRIVER_VMT) || defined(__DOXYGEN__)
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#if !defined(GDISP_DRIVER_LIST) || defined(GDISP_DRIVER_VMT) || defined(__DOXYGEN__)
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Should the driver routines should be static or not
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#if GDISP_TOTAL_CONTROLLERS <= 1
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#define LLDSPEC
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#if defined(GDISP_DRIVER_LIST)
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#define LLDSPEC static
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#else
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#define LLDSPEC static
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#define LLDSPEC
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#endif
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/**
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@ -611,7 +611,7 @@ typedef struct GDISPVMT {
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#endif
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// If we are not using multiple displays then hard-code the VMT name
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#ifndef GDISP_CONTROLLER_LIST
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#if !defined(GDISP_DRIVER_LIST)
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#undef GDISP_DRIVER_VMT
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#define GDISP_DRIVER_VMT GDISPVMT_OnlyOne
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#endif
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@ -566,45 +566,24 @@ static void line_clip(GDisplay *g) {
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void _gdispInit(void)
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{
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// Both GDISP_CONTROLLER_LIST and GDISP_CONTROLLER_DISPLAYS are defined - create the required numbers of each controller
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#if defined(GDISP_CONTROLLER_LIST) && defined(GDISP_CONTROLLER_DISPLAYS)
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{
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int i, cnt;
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extern GDriverVMTList GDISP_CONTROLLER_LIST;
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static const struct GDriverVMT const * dclist[GDISP_TOTAL_CONTROLLERS] = {GDISP_CONTROLLER_LIST};
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static const unsigned dnlist[GDISP_TOTAL_CONTROLLERS] = {GDISP_CONTROLLER_DISPLAYS};
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||||
for(i = 0; i < GDISP_TOTAL_CONTROLLERS; i++) {
|
||||
for(cnt = dnlist[i]; cnt; cnt--)
|
||||
gdriverRegister(dclist[i]);
|
||||
}
|
||||
}
|
||||
|
||||
// Only GDISP_CONTROLLER_LIST is defined - create one of each controller
|
||||
#elif defined(GDISP_CONTROLLER_LIST)
|
||||
// GDISP_DRIVER_LIST is defined - create each driver instance
|
||||
#if defined(GDISP_DRIVER_LIST)
|
||||
{
|
||||
int i;
|
||||
|
||||
extern GDriverVMTList GDISP_CONTROLLER_LIST;
|
||||
static const struct GDriverVMT const * dclist[GDISP_TOTAL_CONTROLLERS] = {GDISP_CONTROLLER_LIST};
|
||||
extern GDriverVMTList GDISP_DRIVER_LIST;
|
||||
static const struct GDriverVMT const * dclist[] = {GDISP_DRIVER_LIST};
|
||||
|
||||
for(i = 0; i < GDISP_TOTAL_CONTROLLERS; i++)
|
||||
for(i = 0; i < sizeof(dclist)/sizeof(dclist[0]); i++)
|
||||
gdriverRegister(dclist[i]);
|
||||
}
|
||||
|
||||
// Only GDISP_TOTAL_DISPLAYS is defined - create the required number of the one controller
|
||||
#elif GDISP_TOTAL_DISPLAYS > 1
|
||||
{
|
||||
int cnt;
|
||||
int i;
|
||||
|
||||
extern GDriverVMTList GDISPVMT_OnlyOne;
|
||||
|
||||
for(cnt = 0; cnt < GDISP_TOTAL_DISPLAYS; cnt++)
|
||||
for(i = 0; i < GDISP_TOTAL_DISPLAYS; i++)
|
||||
gdriverRegister(GDISPVMT_OnlyOne);
|
||||
}
|
||||
|
||||
// One and only one display
|
||||
#else
|
||||
{
|
||||
extern GDriverVMTList GDISPVMT_OnlyOne;
|
||||
|
@ -715,10 +694,6 @@ void _gdispDeInitDriver(GDriver *g) {
|
|||
#undef gd
|
||||
}
|
||||
|
||||
GDisplay *gdispGetDisplay(unsigned display) {
|
||||
return (GDisplay *)gdriverGetInstance(GDRIVER_TYPE_DISPLAY, display);
|
||||
}
|
||||
|
||||
void gdispSetDisplay(GDisplay *g) {
|
||||
if (g) GDISP = g;
|
||||
}
|
||||
|
@ -1001,7 +976,7 @@ void gdispGDrawPixel(GDisplay *g, coord_t x, coord_t y, color_t color) {
|
|||
autoflush(g);
|
||||
MUTEX_EXIT(g);
|
||||
}
|
||||
|
||||
|
||||
void gdispGDrawLine(GDisplay *g, coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color) {
|
||||
MUTEX_ENTER(g);
|
||||
g->p.x = x0;
|
||||
|
@ -1110,7 +1085,7 @@ void gdispGFillArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
|
|||
autoflush_stopdone(g);
|
||||
MUTEX_EXIT(g);
|
||||
}
|
||||
|
||||
|
||||
void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
|
||||
MUTEX_ENTER(g);
|
||||
|
||||
|
@ -1246,7 +1221,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
|
|||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
|
||||
void gdispGSetClip(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy) {
|
||||
MUTEX_ENTER(g);
|
||||
|
@ -1400,7 +1375,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
|
|||
MUTEX_EXIT(g);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#if GDISP_NEED_ELLIPSE
|
||||
void gdispGFillEllipse(GDisplay *g, coord_t x, coord_t y, coord_t a, coord_t b, color_t color) {
|
||||
coord_t dx, dy;
|
||||
|
@ -2662,7 +2637,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int32_t rounding_div(const int32_t n, const int32_t d)
|
||||
{
|
||||
if ((n < 0) != (d < 0))
|
||||
|
@ -2670,23 +2645,23 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
else
|
||||
return (n + d/2) / d;
|
||||
}
|
||||
|
||||
|
||||
/* Find a vector (nx, ny) that is perpendicular to (dx, dy) and has length
|
||||
* equal to 'norm'. */
|
||||
static void get_normal_vector(coord_t dx, coord_t dy, coord_t norm, coord_t *nx, coord_t *ny)
|
||||
{
|
||||
int32_t dx2, dy2, len_sq, norm_sq, norm_sq2;
|
||||
int div, step, best, delta, abs_delta;
|
||||
|
||||
|
||||
dx2 = dx; dy2 = dy;
|
||||
norm_sq = (int32_t)norm * norm;
|
||||
norm_sq2 = norm_sq * 512;
|
||||
|
||||
|
||||
/* Scale dx2 and dy2 so that
|
||||
* len_sq / 2 <= norm_sq * 512 <= len_sq * 2.
|
||||
* The scaling by 512 is to yield higher accuracy in division later. */
|
||||
len_sq = dx2 * dx2 + dy2 * dy2;
|
||||
|
||||
|
||||
if (len_sq < norm_sq2)
|
||||
{
|
||||
while (len_sq && len_sq < norm_sq2)
|
||||
|
@ -2701,69 +2676,69 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
len_sq >>= 2; dx2 >>= 1; dy2 >>= 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Now find the divider div so that
|
||||
* len_sq / div^2 == norm_sq i.e. div = sqrt(len_sq / norm_sq)
|
||||
*
|
||||
* This is done using bisection search to avoid the need for floating
|
||||
* point sqrt.
|
||||
*
|
||||
*
|
||||
* Based on previous scaling, we know that
|
||||
* len_sq / 2 <= norm_sq * 512 <=> div <= sqrt(1024) = 32
|
||||
* len_sq * 2 >= norm_sq * 512 <=> div >= sqrt(256) = 16
|
||||
*/
|
||||
div = 24; step = 8;
|
||||
best = 256;
|
||||
|
||||
|
||||
for (;;)
|
||||
{
|
||||
dx = dx2 / div;
|
||||
dy = dy2 / div;
|
||||
len_sq = dx*dx + dy*dy;
|
||||
|
||||
|
||||
delta = len_sq - norm_sq;
|
||||
|
||||
|
||||
abs_delta = (delta >= 0) ? delta : -delta;
|
||||
|
||||
|
||||
if (abs_delta < best)
|
||||
{
|
||||
*nx = dy;
|
||||
*ny = -dx;
|
||||
best = abs_delta;
|
||||
}
|
||||
|
||||
|
||||
if (delta > 0)
|
||||
div += step;
|
||||
else if (delta < 0)
|
||||
div -= step;
|
||||
else if (delta == 0)
|
||||
break;
|
||||
|
||||
|
||||
if (step == 0)
|
||||
break;
|
||||
else
|
||||
step >>= 1; /* Do one round with step = 0 to calculate final result. */
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void gdispGDrawThickLine(GDisplay *g, coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color, coord_t width, bool_t round) {
|
||||
coord_t dx, dy, nx = 0, ny = 0;
|
||||
|
||||
|
||||
/* Compute the direction vector for the line */
|
||||
dx = x1 - x0;
|
||||
dy = y1 - y0;
|
||||
|
||||
|
||||
/* Draw a small dot if the line length is zero. */
|
||||
if (dx == 0 && dy == 0)
|
||||
dx += 1;
|
||||
|
||||
|
||||
/* Compute a normal vector with length 'width'. */
|
||||
get_normal_vector(dx, dy, width, &nx, &ny);
|
||||
|
||||
|
||||
/* Handle 1px wide lines gracefully */
|
||||
if (nx == 0 && ny == 0)
|
||||
nx = 1;
|
||||
|
||||
|
||||
/* Offset the x0,y0 by half the width of the line. This way we
|
||||
* can keep the width of the line accurate even if it is not evenly
|
||||
* divisible by 2.
|
||||
|
@ -2772,11 +2747,11 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
x0 -= rounding_div(nx, 2);
|
||||
y0 -= rounding_div(ny, 2);
|
||||
}
|
||||
|
||||
|
||||
/* Fill in the point array */
|
||||
if (!round) {
|
||||
/* We use 4 points for the basic line shape:
|
||||
*
|
||||
*
|
||||
* pt1 pt2
|
||||
* (+n) ------------------------------------ (d+n)
|
||||
* | |
|
||||
|
@ -2784,7 +2759,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
* pt0 pt3
|
||||
*/
|
||||
point pntarray[4];
|
||||
|
||||
|
||||
pntarray[0].x = 0;
|
||||
pntarray[0].y = 0;
|
||||
pntarray[1].x = nx;
|
||||
|
@ -2793,7 +2768,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
pntarray[2].y = dy + ny;
|
||||
pntarray[3].x = dx;
|
||||
pntarray[3].y = dy;
|
||||
|
||||
|
||||
gdispGFillConvexPoly(g, x0, y0, pntarray, 4, color);
|
||||
} else {
|
||||
/* We use 4 points for basic shape, plus 4 extra points for ends:
|
||||
|
@ -2808,26 +2783,26 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
*/
|
||||
point pntarray[8];
|
||||
coord_t nx2, ny2;
|
||||
|
||||
|
||||
/* Magic numbers:
|
||||
* 75/256 = sin(45) / (1 + sqrt(2)) diagonal octagon segments
|
||||
* 106/256 = 1 / (1 + sqrt(2)) octagon side
|
||||
* 53/256 = 0.5 / (1 + sqrt(2)) half of octagon side
|
||||
* 150/256 = 1 - 1 / (1 + sqrt(2)) octagon height minus one side
|
||||
*/
|
||||
|
||||
|
||||
/* Rotate the normal vector 45 deg counter-clockwise and reduce
|
||||
* to 1 / (1 + sqrt(2)) length, for forming octagonal ends. */
|
||||
nx2 = rounding_div((nx * 75 + ny * 75), 256);
|
||||
ny2 = rounding_div((-nx * 75 + ny * 75), 256);
|
||||
|
||||
|
||||
/* Offset and extend the line so that the center of the octagon
|
||||
* is at the specified points. */
|
||||
x0 += ny * 53 / 256;
|
||||
y0 -= nx * 53 / 256;
|
||||
dx -= ny * 106 / 256;
|
||||
dy += nx * 106 / 256;
|
||||
|
||||
|
||||
/* Now fill in the points by summing the calculated vectors. */
|
||||
pntarray[0].x = 0;
|
||||
pntarray[0].y = 0;
|
||||
|
@ -2845,7 +2820,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
pntarray[6].y = dy + ny * 150/256 - ny2;
|
||||
pntarray[7].x = dx;
|
||||
pntarray[7].y = dy;
|
||||
|
||||
|
||||
gdispGFillConvexPoly(g, x0, y0, pntarray, 8, color);
|
||||
}
|
||||
}
|
||||
|
@ -3099,19 +3074,19 @@ color_t gdispBlendColor(color_t fg, color_t bg, uint8_t alpha)
|
|||
uint16_t fg_ratio = alpha + 1;
|
||||
uint16_t bg_ratio = 256 - alpha;
|
||||
uint16_t r, g, b;
|
||||
|
||||
|
||||
r = RED_OF(fg) * fg_ratio;
|
||||
g = GREEN_OF(fg) * fg_ratio;
|
||||
b = BLUE_OF(fg) * fg_ratio;
|
||||
|
||||
|
||||
r += RED_OF(bg) * bg_ratio;
|
||||
g += GREEN_OF(bg) * bg_ratio;
|
||||
b += BLUE_OF(bg) * bg_ratio;
|
||||
|
||||
|
||||
r >>= 8;
|
||||
g >>= 8;
|
||||
b >>= 8;
|
||||
|
||||
|
||||
return RGB2COLOR(r, g, b);
|
||||
}
|
||||
|
||||
|
|
|
@ -111,7 +111,7 @@ extern GDisplay *GDISP;
|
|||
/* Defines relating to the display hardware */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if GDISP_TOTAL_CONTROLLERS <= 1
|
||||
#if !defined(GDISP_DRIVER_LIST)
|
||||
// Pull in the default hardware configuration for a single controller.
|
||||
// If we have multiple controllers the settings must be set in the
|
||||
// users gfxconf.h file.
|
||||
|
@ -133,7 +133,7 @@ extern GDisplay *GDISP;
|
|||
* @details It generally defaults to the hardware pixel format.
|
||||
* @note This doesn't need to match the hardware pixel format.
|
||||
* It is definitely more efficient when it does.
|
||||
* @note When GDISP_TOTAL_CONTROLLERS > 1, this must
|
||||
* @note When GDISP_DRIVER_LIST is defined, this must
|
||||
* be explicitly defined and you should ensure the best match
|
||||
* with your hardware across all devices.
|
||||
*/
|
||||
|
@ -213,13 +213,13 @@ color_t gdispContrastColor(color_t color);
|
|||
* @note The GDISP variable contains the display used by the gdispXxxx routines
|
||||
* as opposed to the gdispGXxxx routines which take an explicit display
|
||||
* parameter.
|
||||
* @note Displays are numbered from 0 to GDISP_TOTAL_DISPLAYS - 1
|
||||
* @note Displays are numbered from 0 to @p gdispGetDisplayCount() - 1
|
||||
*
|
||||
* @param[in] display The display number (0..n)
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
GDisplay *gdispGetDisplay(unsigned display);
|
||||
#define gdispGetDisplay(display) ((GDisplay *)gdriverGetInstance(GDRIVER_TYPE_DISPLAY, display))
|
||||
|
||||
/**
|
||||
* @brief Set the current default display to the specified display
|
||||
|
@ -235,6 +235,14 @@ GDisplay *gdispGetDisplay(unsigned display);
|
|||
*/
|
||||
void gdispSetDisplay(GDisplay *g);
|
||||
|
||||
/**
|
||||
* @brief Get the count of currently active displays
|
||||
* @return The count of displays currently in the system
|
||||
*
|
||||
* @note Displays are numbered from 0 to @p gdispGetDisplayCount() - 1
|
||||
*/
|
||||
#define gdispGetDisplayCount() gdriverInstanceCount(GDRIVER_TYPE_DISPLAY)
|
||||
|
||||
/* Property Functions */
|
||||
|
||||
/**
|
||||
|
@ -683,20 +691,20 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
*/
|
||||
void gdispGFillConvexPoly(GDisplay *g, coord_t tx, coord_t ty, const point *pntarray, unsigned cnt, color_t color);
|
||||
#define gdispFillConvexPoly(x,y,p,i,c) gdispGFillConvexPoly(GDISP,x,y,p,i,c)
|
||||
|
||||
|
||||
/**
|
||||
* @brief Draw a line with a specified thickness
|
||||
* @details The line thickness is specified in pixels. The line ends can
|
||||
* be selected to be either flat or round.
|
||||
* @note Uses gdispGFillConvexPoly() internally to perform the drawing.
|
||||
*
|
||||
*
|
||||
* @param[in] g The display to use
|
||||
* @param[in] x0,y0 The start position
|
||||
* @param[in] x1,y1 The end position
|
||||
* @param[in] color The color to use
|
||||
* @param[in] width The width of the line
|
||||
* @param[in] round Use round ends for the line
|
||||
*
|
||||
*
|
||||
* @api
|
||||
*/
|
||||
void gdispGDrawThickLine(GDisplay *g, coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color, coord_t width, bool_t round);
|
||||
|
@ -857,13 +865,13 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
* @brief Make a scaled copy of an existing font.
|
||||
* @details Allocates memory for new font metadata using gfxAlloc, remember to close font after use!
|
||||
* @return A new font or NULL if out of memory.
|
||||
*
|
||||
*
|
||||
* @param[in] font The base font to use.
|
||||
* @param[in] scale_x The scale factor in horizontal direction.
|
||||
* @param[in] scale_y The scale factor in vertical direction.
|
||||
*/
|
||||
font_t gdispScaleFont(font_t font, uint8_t scale_x, uint8_t scale_y);
|
||||
|
||||
|
||||
/**
|
||||
* @brief Get the name of the specified font.
|
||||
* @returns The name of the font.
|
||||
|
@ -907,7 +915,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
|
|||
#define gdispFillRoundedBox(x,y,cx,cy,r,c) gdispGFillRoundedBox(GDISP,x,y,cx,cy,r,c)
|
||||
#endif
|
||||
|
||||
/*
|
||||
/*
|
||||
* Macro definitions
|
||||
*/
|
||||
|
||||
|
|
|
@ -184,42 +184,26 @@
|
|||
* @{
|
||||
*/
|
||||
/**
|
||||
* @brief The total number of displays.
|
||||
* @note This can be on just one type of controller or spread across several different controllers
|
||||
* @brief The total number of displays using the default driver.
|
||||
* @note If you want to use multiple displays either set GDISP_TOTAL_DISPLAYS or GDISP_DRIVER_LIST
|
||||
* but not both.
|
||||
*/
|
||||
#ifndef GDISP_TOTAL_DISPLAYS
|
||||
#define GDISP_TOTAL_DISPLAYS 1
|
||||
#endif
|
||||
/**
|
||||
* @brief The total number of controllers.
|
||||
* @note If this is greater than one, all the hardware acceleration options below
|
||||
* and the pixel format must be manually specified in your gfxconf.h along with
|
||||
* @p GDISP_CONTROLLER_LIST. See the gdisp_lld_config.h in each driver to get a list
|
||||
* of hardware capabilities for each driver in order to work out the common set across
|
||||
* all the controllers you want to use.
|
||||
*/
|
||||
#ifndef GDISP_TOTAL_CONTROLLERS
|
||||
#define GDISP_TOTAL_CONTROLLERS 1
|
||||
#endif
|
||||
|
||||
#if defined(__DOXYGEN__)
|
||||
/**
|
||||
* @brief The list of controllers.
|
||||
* @note This is required if @p GDISP_TOTAL_CONTROLLERS is greater than one.
|
||||
* @note The number of entries must match @p GDISP_TOTAL_CONTROLLERS.
|
||||
* @note See the gdisp_lld.c in each driver (near the top) to get the name of the VMT for a driver.
|
||||
* @note Replace this example with your own definition in your gfxconf.h file.
|
||||
* @brief The list of display drivers.
|
||||
* @note Replace this example with your own definition in your gfxconf.h file. See the gdisp_lld.c
|
||||
* in each driver (near the top) to get the name of the VMT for a driver.
|
||||
* @note The same driver can occur more than once in the list to create an extra instance of that driver.
|
||||
* @note If defining this you must also define GDISP_PIXELFORMAT for your application to use.
|
||||
* Choose a value that is most common accross all your drivers for efficiency.
|
||||
* @note If using this you may optionally define the GDISP_HARDWARE_xxx values as either TRUE or FALSE.
|
||||
* Doing this causes GDISP to assume that all (TRUE) or none (FALSE) of the listed drivers have that
|
||||
* capability. This can help improve drawing speed and efficiency.
|
||||
*/
|
||||
#define GDISP_CONTROLLER_LIST GDISPVMT_Win32, GDISPVMT_SSD1963
|
||||
/**
|
||||
* @brief The number of displays for each controller.
|
||||
* @note This is required if @p GDISP_TOTAL_CONTROLLERS is greater than one.
|
||||
* @note The number of entries must match @p GDISP_TOTAL_CONTROLLERS.
|
||||
* @note The sum of all the display counts must equal @p GDISP_TOTAL_DISPLAYS (3 for this example)
|
||||
* or bad things will happen.
|
||||
* @note Replace this example with your own definition in your gfxconf.h file.
|
||||
*/
|
||||
#define GDISP_CONTROLLER_DISPLAYS 2, 1
|
||||
#define GDISP_DRIVER_LIST GDISPVMT_Win32, GDISPVMT_SSD1963
|
||||
#endif
|
||||
/**
|
||||
* @}
|
||||
|
@ -272,7 +256,7 @@
|
|||
#endif
|
||||
/**
|
||||
* @}
|
||||
*
|
||||
*
|
||||
* @name GDISP Text Rendering Options
|
||||
* @{
|
||||
*/
|
||||
|
@ -283,7 +267,7 @@
|
|||
#ifndef GDISP_NEED_UTF8
|
||||
#define GDISP_NEED_UTF8 FALSE
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* @brief Enable kerning for font rendering (improves character placement).
|
||||
* @details Defaults to FALSE
|
||||
|
@ -291,7 +275,7 @@
|
|||
#ifndef GDISP_NEED_TEXT_KERNING
|
||||
#define GDISP_NEED_TEXT_KERNING FALSE
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* @brief Enable antialiased font support
|
||||
* @details Defaults to FALSE
|
||||
|
@ -299,7 +283,7 @@
|
|||
#ifndef GDISP_NEED_ANTIALIAS
|
||||
#define GDISP_NEED_ANTIALIAS FALSE
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*
|
||||
|
|
|
@ -24,15 +24,12 @@
|
|||
#undef GFX_USE_GDRIVER
|
||||
#define GFX_USE_GDRIVER TRUE
|
||||
#endif
|
||||
#if GDISP_TOTAL_CONTROLLERS > 1
|
||||
#ifndef GDISP_CONTROLLER_LIST
|
||||
#error "GDISP Multiple Controllers: You must specify a value for GDISP_CONTROLLER_LIST"
|
||||
#endif
|
||||
#ifndef GDISP_CONTROLLER_DISPLAYS
|
||||
#error "GDISP Multiple Controllers: You must specify a value for GDISP_CONTROLLER_DISPLAYS"
|
||||
#endif
|
||||
#if defined(GDISP_DRIVER_LIST)
|
||||
#if GDISP_TOTAL_DISPLAYS != 1
|
||||
#error "GDISP Multiple Drivers: You can't specify both GDISP_TOTAL_DISPLAYS and GDISP_DRIVER_LIST
|
||||
#endif
|
||||
#ifndef GDISP_PIXELFORMAT
|
||||
#error "GDISP Multiple Controllers: You must specify a value for GDISP_PIXELFORMAT"
|
||||
#error "GDISP Multiple Drivers: You must specify a value for GDISP_PIXELFORMAT when using GDISP_DRIVER_LIST"
|
||||
#endif
|
||||
#endif
|
||||
#if GDISP_NEED_AUTOFLUSH && GDISP_NEED_TIMERFLUSH
|
||||
|
|
Loading…
Add table
Reference in a new issue