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ugfx/drivers/multiple/Win32/gdisp_lld.c
Andrew Hannam d24aa689e9 Win32 Hardware Toggle Emulation 
Emulates 4 toggle switches and 4 momentary action buttons in the Win32
driver.
These are represented as a row of buttons under the GDISP display
window.
These are implemented as GINPUT Toggle driver (not as GPIO pins).
2012-12-02 16:46:13 +10:00

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/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file drivers/multiple/Win32/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source for Win32.
*
* @addtogroup GDISP
* @{
*/
#include "ch.h"
#include "hal.h"
#include "gdisp.h"
#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <windows.h>
#include <wingdi.h>
#include <assert.h>
#ifndef GINPUT_NEED_TOGGLE
#define GINPUT_NEED_TOGGLE FALSE
#endif
#ifndef GINPUT_NEED_MOUSE
#define GINPUT_NEED_MOUSE FALSE
#endif
#if GINPUT_NEED_TOGGLE
/* Include toggle support code */
#include "lld/ginput/toggle.h"
const GToggleConfig GInputToggleConfigTable[GINPUT_TOGGLE_CONFIG_ENTRIES] = {
{0, 0xFF, 0x00, PAL_MODE_INPUT},
};
#endif
#if GINPUT_NEED_MOUSE
/* Include mouse support code */
#include "ginput.h"
#include "lld/ginput/mouse.h"
#endif
/* Include the emulation code for things we don't support */
#include "lld/gdisp/emulation.c"
/*===========================================================================*/
/* Driver local routines . */
/*===========================================================================*/
#define WIN32_USE_MSG_REDRAW FALSE
#if GINPUT_NEED_TOGGLE
#define WIN32_BUTTON_AREA 16
#else
#define WIN32_BUTTON_AREA 0
#endif
#define APP_NAME "GDISP"
#define COLOR2BGR(c) ((((c) & 0xFF)<<16)|((c) & 0xFF00)|(((c)>>16) & 0xFF))
#define BGR2COLOR(c) COLOR2BGR(c)
static HWND winRootWindow = NULL;
static HDC dcBuffer = NULL;
static HBITMAP dcBitmap = NULL;
static HBITMAP dcOldBitmap;
static volatile bool_t isReady = FALSE;
static coord_t wWidth, wHeight;
#if GINPUT_NEED_MOUSE
static coord_t mousex, mousey;
static uint16_t mousebuttons;
#endif
#if GINPUT_NEED_TOGGLE
static uint8_t toggles = 0;
#endif
static LRESULT myWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
HDC dc;
PAINTSTRUCT ps;
#if GINPUT_NEED_TOGGLE
HBRUSH hbrOn, hbrOff;
HPEN pen;
RECT rect;
HGDIOBJ old;
POINT p;
coord_t pos;
uint8_t bit;
#endif
switch (Msg) {
case WM_CREATE:
break;
case WM_LBUTTONDOWN:
#if GINPUT_NEED_MOUSE
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons |= GINPUT_MOUSE_BTN_LEFT;
goto mousemove;
}
#endif
#if GINPUT_NEED_TOGGLE
bit = 1 << ((coord_t)LOWORD(lParam)*8/wWidth);
toggles ^= bit;
rect.left = 0;
rect.right = wWidth;
rect.top = wHeight;
rect.bottom = wHeight + WIN32_BUTTON_AREA;
InvalidateRect(hWnd, &rect, FALSE);
UpdateWindow(hWnd);
#if GINPUT_TOGGLE_POLL_PERIOD == TIME_INFINITE
ginputToggleWakeup();
#endif
#endif
break;
case WM_LBUTTONUP:
#if GINPUT_NEED_TOGGLE
if ((toggles & 0xF0)) {
toggles &= 0x0F;
rect.left = 0;
rect.right = wWidth;
rect.top = wHeight;
rect.bottom = wHeight + WIN32_BUTTON_AREA;
InvalidateRect(hWnd, &rect, FALSE);
UpdateWindow(hWnd);
#if GINPUT_TOGGLE_POLL_PERIOD == TIME_INFINITE
ginputToggleWakeup();
#endif
}
#endif
#if GINPUT_NEED_MOUSE
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons &= ~GINPUT_MOUSE_BTN_LEFT;
goto mousemove;
}
#endif
break;
#if GINPUT_NEED_MOUSE
case WM_MBUTTONDOWN:
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons |= GINPUT_MOUSE_BTN_MIDDLE;
goto mousemove;
}
break;
case WM_MBUTTONUP:
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons &= ~GINPUT_MOUSE_BTN_MIDDLE;
goto mousemove;
}
break;
case WM_RBUTTONDOWN:
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons |= GINPUT_MOUSE_BTN_RIGHT;
goto mousemove;
}
break;
case WM_RBUTTONUP:
if ((coord_t)HIWORD(lParam) < wHeight) {
mousebuttons &= ~GINPUT_MOUSE_BTN_RIGHT;
goto mousemove;
}
break;
case WM_MOUSEMOVE:
if ((coord_t)HIWORD(lParam) >= wHeight)
break;
mousemove:
mousex = (coord_t)LOWORD(lParam);
mousey = (coord_t)HIWORD(lParam);
#if GINPUT_MOUSE_POLL_PERIOD == TIME_INFINITE
ginputMouseWakeup();
#endif
break;
#endif
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
case WM_SYSKEYUP:
case WM_KEYUP:
break;
case WM_CHAR:
case WM_DEADCHAR:
case WM_SYSCHAR:
case WM_SYSDEADCHAR:
break;
case WM_PAINT:
dc = BeginPaint(hWnd, &ps);
BitBlt(dc, ps.rcPaint.left, ps.rcPaint.top,
ps.rcPaint.right - ps.rcPaint.left,
(ps.rcPaint.bottom > wHeight ? wHeight : ps.rcPaint.bottom) - ps.rcPaint.top,
dcBuffer, ps.rcPaint.left, ps.rcPaint.top, SRCCOPY);
#if GINPUT_NEED_TOGGLE
if (ps.rcPaint.bottom >= wHeight) {
pen = CreatePen(PS_SOLID, 1, COLOR2BGR(Black));
hbrOn = CreateSolidBrush(COLOR2BGR(Blue));
hbrOff = CreateSolidBrush(COLOR2BGR(Gray));
old = SelectObject(dc, pen);
MoveToEx(dc, 0, wHeight, &p);
LineTo(dc, wWidth, wHeight);
for(pos = 0, bit=1; pos < wWidth; pos=rect.right, bit <<= 1) {
rect.left = pos;
rect.right = pos + wWidth/8;
rect.top = wHeight;
rect.bottom = wHeight + WIN32_BUTTON_AREA;
FillRect(dc, &rect, (toggles & bit) ? hbrOn : hbrOff);
if (pos > 0) {
MoveToEx(dc, rect.left, rect.top, &p);
LineTo(dc, rect.left, rect.bottom);
}
}
DeleteObject(hbrOn);
DeleteObject(hbrOff);
SelectObject(dc, old);
}
#endif
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
SelectObject(dcBuffer, dcOldBitmap);
DeleteDC(dcBuffer);
DeleteObject(dcBitmap);
winRootWindow = NULL;
break;
default:
return DefWindowProc(hWnd, Msg, wParam, lParam);
}
return 0;
}
static DWORD WINAPI WindowThread(LPVOID lpParameter) {
(void)lpParameter;
MSG msg;
HANDLE hInstance;
WNDCLASS wc;
RECT rect;
HDC dc;
hInstance = GetModuleHandle(NULL);
wc.style = CS_HREDRAW | CS_VREDRAW; // | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC)myWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = APP_NAME;
RegisterClass(&wc);
rect.top = 0; rect.bottom = wHeight+WIN32_BUTTON_AREA;
rect.left = 0; rect.right = wWidth;
AdjustWindowRect(&rect, WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU, 0);
winRootWindow = CreateWindow(APP_NAME, "", WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU, 0, 0,
rect.right-rect.left, rect.bottom-rect.top, 0, 0, hInstance, NULL);
assert(winRootWindow != NULL);
GetClientRect(winRootWindow, &rect);
wWidth = rect.right-rect.left;
wHeight = rect.bottom - rect.top - WIN32_BUTTON_AREA;
dc = GetDC(winRootWindow);
dcBitmap = CreateCompatibleBitmap(dc, wWidth, wHeight);
dcBuffer = CreateCompatibleDC(dc);
ReleaseDC(winRootWindow, dc);
dcOldBitmap = SelectObject(dcBuffer, dcBitmap);
ShowWindow(winRootWindow, SW_SHOW);
UpdateWindow(winRootWindow);
isReady = TRUE;
while(GetMessage(&msg, NULL, 0, 0) > 0) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
ExitProcess(0);
return msg.wParam;
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/* ---- Required Routines ---- */
/*
The following 2 routines are required.
All other routines are optional.
*/
/**
* @brief Low level GDISP driver initialisation.
* @return TRUE if successful, FALSE on error.
*
* @notapi
*/
bool_t GDISP_LLD(init)(void) {
RECT rect;
/* Set the window dimensions */
GetWindowRect(GetDesktopWindow(), &rect);
wWidth = rect.right - rect.left;
wHeight = rect.bottom - rect.top - WIN32_BUTTON_AREA;
if (wWidth > GDISP_SCREEN_WIDTH)
wWidth = GDISP_SCREEN_WIDTH;
if (wHeight > GDISP_SCREEN_HEIGHT)
wHeight = GDISP_SCREEN_HEIGHT;
/* Initialise the window */
CreateThread(0, 0, WindowThread, 0, 0, 0);
while (!isReady)
Sleep(1);
/* Initialise the GDISP structure to match */
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = 100;
GDISP.Contrast = 50;
GDISP.Width = wWidth;
GDISP.Height = wHeight;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
/**
* @brief Draws a pixel on the display.
*
* @param[in] x X location of the pixel
* @param[in] y Y location of the pixel
* @param[in] color The color of the pixel
*
* @notapi
*/
void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
HDC dc;
#if WIN32_USE_MSG_REDRAW
RECT rect;
#endif
#if GDISP_NEED_CONTROL
coord_t t;
#endif
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
// Clip pre orientation change
if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
#endif
#if GDISP_NEED_CONTROL
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
break;
case GDISP_ROTATE_90:
t = GDISP.Height - 1 - y;
y = x;
x = t;
break;
case GDISP_ROTATE_180:
x = GDISP.Width - 1 - x;
y = GDISP.Height - 1 - y;
break;
case GDISP_ROTATE_270:
t = GDISP.Width - 1 - x;
x = y;
y = t;
break;
}
#endif
// Draw the pixel in the buffer
color = COLOR2BGR(color);
SetPixel(dcBuffer, x, y, color);
#if WIN32_USE_MSG_REDRAW
rect.left = x; rect.right = x+1;
rect.top = y; rect.bottom = y+1;
InvalidateRect(winRootWindow, &rect, FALSE);
UpdateWindow(winRootWindow);
#else
// Draw the pixel again directly on the screen.
// This is cheaper than invalidating a single pixel in the window
dc = GetDC(winRootWindow);
SetPixel(dc, x, y, color);
ReleaseDC(winRootWindow, dc);
#endif
}
/* ---- Optional Routines ---- */
#if GDISP_HARDWARE_LINES || defined(__DOXYGEN__)
/**
* @brief Draw a line.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x0, y0 The start of the line
* @param[in] x1, y1 The end of the line
* @param[in] color The color of the line
*
* @notapi
*/
void GDISP_LLD(drawline)(coord_t x0, coord_t y0, coord_t x1, coord_t y1, color_t color) {
POINT p;
HPEN pen;
HDC dc;
HGDIOBJ old;
#if GDISP_NEED_CLIP
HRGN clip;
#endif
#if WIN32_USE_MSG_REDRAW
RECT rect;
#endif
#if GDISP_NEED_CONTROL
coord_t t;
#endif
#if GDISP_NEED_CLIP
clip = NULL;
#endif
#if GDISP_NEED_CONTROL
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
#if GDISP_NEED_CLIP
// Clip post orientation change
if (GDISP.clipx0 != 0 || GDISP.clipy0 != 0 || GDISP.clipx1 != GDISP.Width || GDISP.clipy1 != GDISP.Height)
clip = CreateRectRgn(GDISP.clipx0, GDISP.clipy0, GDISP.clipx1, GDISP.clipy1);
#endif
break;
case GDISP_ROTATE_90:
t = GDISP.Height - 1 - y0;
y0 = x0;
x0 = t;
t = GDISP.Height - 1 - y1;
y1 = x1;
x1 = t;
#if GDISP_NEED_CLIP
// Clip post orientation change
if (GDISP.clipx0 != 0 || GDISP.clipy0 != 0 || GDISP.clipx1 != GDISP.Width || GDISP.clipy1 != GDISP.Height)
clip = CreateRectRgn(GDISP.Height-1-GDISP.clipy1, GDISP.clipx0, GDISP.Height-1-GDISP.clipy0, GDISP.clipx1);
#endif
break;
case GDISP_ROTATE_180:
x0 = GDISP.Width - 1 - x0;
y0 = GDISP.Height - 1 - y0;
x1 = GDISP.Width - 1 - x1;
y1 = GDISP.Height - 1 - y1;
#if GDISP_NEED_CLIP
// Clip post orientation change
if (GDISP.clipx0 != 0 || GDISP.clipy0 != 0 || GDISP.clipx1 != GDISP.Width || GDISP.clipy1 != GDISP.Height)
clip = CreateRectRgn(GDISP.Width-1-GDISP.clipx1, GDISP.Height-1-GDISP.clipy1, GDISP.Width-1-GDISP.clipx0, GDISP.Height-1-GDISP.clipy0);
#endif
break;
case GDISP_ROTATE_270:
t = GDISP.Width - 1 - x0;
x0 = y0;
y0 = t;
t = GDISP.Width - 1 - x1;
x1 = y1;
y1 = t;
#if GDISP_NEED_CLIP
// Clip post orientation change
if (GDISP.clipx0 != 0 || GDISP.clipy0 != 0 || GDISP.clipx1 != GDISP.Width || GDISP.clipy1 != GDISP.Height)
clip = CreateRectRgn(GDISP.clipy0, GDISP.Width-1-GDISP.clipx1, GDISP.clipy1, GDISP.Width-1-GDISP.clipx0);
#endif
break;
}
#else
#if GDISP_NEED_CLIP
clip = NULL;
if (GDISP.clipx0 != 0 || GDISP.clipy0 != 0 || GDISP.clipx1 != GDISP.Width || GDISP.clipy1 != GDISP.Height)
clip = CreateRectRgn(GDISP.clipx0, GDISP.clipy0, GDISP.clipx1, GDISP.clipy1);
#endif
#endif
color = COLOR2BGR(color);
pen = CreatePen(PS_SOLID, 1, color);
if (pen) {
// Draw the line in the buffer
#if GDISP_NEED_CLIP
if (clip) SelectClipRgn(dcBuffer, clip);
#endif
old = SelectObject(dcBuffer, pen);
MoveToEx(dcBuffer, x0, y0, &p);
LineTo(dcBuffer, x1, y1);
SelectObject(dcBuffer, old);
SetPixel(dcBuffer, x1, y1, color);
#if GDISP_NEED_CLIP
if (clip) SelectClipRgn(dcBuffer, NULL);
#endif
#if WIN32_USE_MSG_REDRAW
rect.left = x0; rect.right = x1+1;
rect.top = y0; rect.bottom = y1+1;
InvalidateRect(winRootWindow, &rect, FALSE);
UpdateWindow(winRootWindow);
#else
// Redrawing the line on the screen is cheaper than invalidating the whole rectangular area
dc = GetDC(winRootWindow);
#if GDISP_NEED_CLIP
if (clip) SelectClipRgn(dc, clip);
#endif
old = SelectObject(dc, pen);
MoveToEx(dc, x0, y0, &p);
LineTo(dc, x1, y1);
SelectObject(dc, old);
SetPixel(dc, x1, y1, color);
#if GDISP_NEED_CLIP
if (clip) SelectClipRgn(dc, NULL);
#endif
ReleaseDC(winRootWindow, dc);
#endif
DeleteObject(pen);
}
}
#endif
#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a color.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
HDC dc;
RECT rect;
HBRUSH hbr;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
// Clip pre orientation change
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
#if GDISP_NEED_CONTROL
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
break;
case GDISP_ROTATE_90:
rect.top = x;
rect.bottom = rect.top+cx;
rect.right = GDISP.Height - y;
rect.left = rect.right-cy;
break;
case GDISP_ROTATE_180:
rect.bottom = GDISP.Height - y;
rect.top = rect.bottom-cy;
rect.right = GDISP.Width - x;
rect.left = rect.right-cx;
break;
case GDISP_ROTATE_270:
rect.bottom = GDISP.Width - x;
rect.top = rect.bottom-cx;
rect.left = y;
rect.right = rect.left+cy;
break;
}
#else
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
#endif
color = COLOR2BGR(color);
hbr = CreateSolidBrush(color);
if (hbr) {
// Fill the area
FillRect(dcBuffer, &rect, hbr);
#if WIN32_USE_MSG_REDRAW
InvalidateRect(winRootWindow, &rect, FALSE);
UpdateWindow(winRootWindow);
#else
// Filling the area directly on the screen is likely to be cheaper than invalidating it
dc = GetDC(winRootWindow);
FillRect(dc, &rect, hbr);
ReleaseDC(winRootWindow, dc);
#endif
DeleteObject(hbr);
}
}
#endif
#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
static pixel_t *rotateimg(coord_t cx, coord_t cy, coord_t srcx, coord_t srccx, const pixel_t *buffer) {
pixel_t *dstbuf;
pixel_t *dst;
const pixel_t *src;
size_t sz;
coord_t i, j;
// Shortcut.
if (GDISP.Orientation == GDISP_ROTATE_0 && srcx == 0 && cx == srccx)
return (pixel_t *)buffer;
// Allocate the destination buffer
sz = (size_t)cx * (size_t)cy;
if (!(dstbuf = (pixel_t *)malloc(sz * sizeof(pixel_t))))
return 0;
// Copy the bits we need
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
for(dst = dstbuf, src = buffer+srcx, j = 0; j < cy; j++)
for(i = 0; i < cx; i++, src += srccx - cx)
*dst++ = *src++;
break;
case GDISP_ROTATE_90:
for(src = buffer+srcx, j = 0; j < cy; j++) {
dst = dstbuf+cy-j-1;
for(i = 0; i < cx; i++, src += srccx - cx, dst += cy)
*dst = *src++;
}
break;
case GDISP_ROTATE_180:
for(dst = dstbuf+sz, src = buffer+srcx, j = 0; j < cy; j++)
for(i = 0; i < cx; i++, src += srccx - cx)
*--dst = *src++;
break;
case GDISP_ROTATE_270:
for(src = buffer+srcx, j = 0; j < cy; j++) {
dst = dstbuf+sz-cy+j;
for(i = 0; i < cx; i++, src += srccx - cx, dst -= cy)
*dst = *src++;
}
break;
}
return dstbuf;
}
/**
* @brief Fill an area with a bitmap.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] srcx, srcy The bitmap position to start the fill from
* @param[in] srccx The width of a line in the bitmap.
* @param[in] buffer The pixels to use to fill the area.
*
* @notapi
*/
void GDISP_LLD(blitareaex)(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) {
BITMAPV4HEADER bmpInfo;
RECT rect;
#if GDISP_NEED_CONTROL
pixel_t *srcimg;
#endif
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
// Clip pre orientation change
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
if (srcx+cx > srccx) cx = srccx - srcx;
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
// Make everything relative to the start of the line
buffer += srccx*srcy;
srcy = 0;
memset(&bmpInfo, 0, sizeof(bmpInfo));
bmpInfo.bV4Size = sizeof(bmpInfo);
bmpInfo.bV4Planes = 1;
bmpInfo.bV4BitCount = 32;
bmpInfo.bV4AlphaMask = 0;
bmpInfo.bV4RedMask = RGB2COLOR(255,0,0);
bmpInfo.bV4GreenMask = RGB2COLOR(0,255,0);
bmpInfo.bV4BlueMask = RGB2COLOR(0,0,255);
bmpInfo.bV4V4Compression = BI_BITFIELDS;
bmpInfo.bV4XPelsPerMeter = 3078;
bmpInfo.bV4YPelsPerMeter = 3078;
bmpInfo.bV4ClrUsed = 0;
bmpInfo.bV4ClrImportant = 0;
bmpInfo.bV4CSType = 0; //LCS_sRGB;
#if GDISP_NEED_CONTROL
bmpInfo.bV4SizeImage = (cy*cx) * sizeof(pixel_t);
srcimg = rotateimg(cx, cy, srcx, srccx, buffer);
if (!srcimg) return;
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
bmpInfo.bV4Width = cx;
bmpInfo.bV4Height = -cy; /* top-down image */
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
break;
case GDISP_ROTATE_90:
bmpInfo.bV4Width = cy;
bmpInfo.bV4Height = -cx; /* top-down image */
rect.top = x;
rect.bottom = rect.top+cx;
rect.right = GDISP.Height - y;
rect.left = rect.right-cy;
break;
case GDISP_ROTATE_180:
bmpInfo.bV4Width = cx;
bmpInfo.bV4Height = -cy; /* top-down image */
rect.bottom = GDISP.Height - y;
rect.top = rect.bottom-cy;
rect.right = GDISP.Width - x;
rect.left = rect.right-cx;
break;
case GDISP_ROTATE_270:
bmpInfo.bV4Width = cy;
bmpInfo.bV4Height = -cx; /* top-down image */
rect.bottom = GDISP.Width - x;
rect.top = rect.bottom-cx;
rect.left = y;
rect.right = rect.left+cy;
break;
}
SetDIBitsToDevice(dcBuffer, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, 0, 0, 0, rect.bottom-rect.top, srcimg, (BITMAPINFO*)&bmpInfo, DIB_RGB_COLORS);
if (srcimg != (pixel_t *)buffer)
free(srcimg);
#else
bmpInfo.bV4Width = srccx;
bmpInfo.bV4Height = -cy; /* top-down image */
bmpInfo.bV4SizeImage = (cy*srccx) * sizeof(pixel_t);
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
SetDIBitsToDevice(dcBuffer, x, y, cx, cy, srcx, 0, 0, cy, buffer, (BITMAPINFO*)&bmpInfo, DIB_RGB_COLORS);
#endif
// Invalidate the region to get it on the screen.
InvalidateRect(winRootWindow, &rect, FALSE);
UpdateWindow(winRootWindow);
}
#endif
#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
/**
* @brief Get the color of a particular pixel.
* @note Optional.
* @note If x,y is off the screen, the result is undefined.
* @return The color of the specified pixel.
*
* @param[in] x, y The start of the text
*
* @notapi
*/
color_t GDISP_LLD(getpixelcolor)(coord_t x, coord_t y) {
color_t color;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
// Clip pre orientation change
if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
#endif
#if GDISP_NEED_CONTROL
switch(GDISP.Orientation) {
case GDISP_ROTATE_90:
t = GDISP.Height - 1 - y;
y = x;
x = t;
break;
case GDISP_ROTATE_180:
x = GDISP.Width - 1 - x;
y = GDISP.Height - 1 - y;
break;
case GDISP_ROTATE_270:
t = GDISP.Width - 1 - x;
x = y;
y = t;
break;
}
#endif
color = GetPixel(dcBuffer, x, y);
return BGR2COLOR(color);
}
#endif
#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
/**
* @brief Scroll vertically a section of the screen.
* @note Optional.
* @note If x,y + cx,cy is off the screen, the result is undefined.
* @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
*
* @param[in] x, y The start of the area to be scrolled
* @param[in] cx, cy The size of the area to be scrolled
* @param[in] lines The number of lines to scroll (Can be positive or negative)
* @param[in] bgcolor The color to fill the newly exposed area.
*
* @notapi
*/
void GDISP_LLD(verticalscroll)(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
RECT rect, frect, srect;
HBRUSH hbr;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
// Clip pre orientation change
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
if (lines > cy) lines = cy;
else if (-lines > cy) lines = -cy;
bgcolor = COLOR2BGR(bgcolor);
hbr = CreateSolidBrush(bgcolor);
#if GDISP_NEED_CONTROL
switch(GDISP.Orientation) {
case GDISP_ROTATE_0:
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
lines = -lines;
goto vertical_scroll;
case GDISP_ROTATE_90:
rect.top = x;
rect.bottom = rect.top+cx;
rect.right = GDISP.Height - y;
rect.left = rect.right-cy;
goto horizontal_scroll;
case GDISP_ROTATE_180:
rect.bottom = GDISP.Height - y;
rect.top = rect.bottom-cy;
rect.right = GDISP.Width - x;
rect.left = rect.right-cx;
vertical_scroll:
srect.left = frect.left = rect.left;
srect.right = frect.right = rect.right;
if (lines > 0) {
srect.top = frect.top = rect.top;
frect.bottom = rect.top+lines;
srect.bottom = rect.bottom-lines;
} else {
srect.bottom = frect.bottom = rect.bottom;
frect.top = rect.bottom+lines;
srect.top = rect.top-lines;
}
if (cy >= lines && cy >= -lines)
ScrollDC(dcBuffer, 0, lines, &srect, 0, 0, 0);
break;
case GDISP_ROTATE_270:
rect.bottom = GDISP.Width - x;
rect.top = rect.bottom-cx;
rect.left = y;
rect.right = rect.left+cy;
lines = -lines;
horizontal_scroll:
srect.top = frect.top = rect.top;
srect.bottom = frect.bottom = rect.bottom;
if (lines > 0) {
srect.left = frect.left = rect.left;
frect.right = rect.left+lines;
srect.right = rect.right-lines;
} else {
srect.right = frect.right = rect.right;
frect.left = rect.right+lines;
srect.left = rect.left-lines;
}
if (cy >= lines && cy >= -lines)
ScrollDC(dcBuffer, lines, 0, &srect, 0, 0, 0);
break;
}
#else
rect.top = y;
rect.bottom = rect.top+cy;
rect.left = x;
rect.right = rect.left+cx;
lines = -lines;
srect.left = frect.left = rect.left;
srect.right = frect.right = rect.right;
if (lines > 0) {
srect.top = frect.top = rect.top;
frect.bottom = rect.top+lines;
srect.bottom = rect.bottom-lines;
} else {
srect.bottom = frect.bottom = rect.bottom;
frect.top = rect.bottom+lines;
srect.top = rect.top-lines;
}
if (cy >= lines && cy >= -lines)
ScrollDC(dcBuffer, 0, lines, &srect, 0, 0, 0);
#endif
if (hbr)
FillRect(dcBuffer, &frect, hbr);
InvalidateRect(winRootWindow, &rect, FALSE);
UpdateWindow(winRootWindow);
}
#endif
#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
/**
* @brief Driver Control
* @detail Unsupported control codes are ignored.
* @note The value parameter should always be typecast to (void *).
* @note There are some predefined and some specific to the low level driver.
* @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
* GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
* GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
* that only supports off/on anything other
* than zero is on.
* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
* GDISP_CONTROL_LLD - Low level driver control constants start at
* this value.
*
* @param[in] what What to do.
* @param[in] value The value to use (always cast to a void *).
*
* @notapi
*/
void GDISP_LLD(control)(unsigned what, void *value) {
switch(what) {
case GDISP_CONTROL_ORIENTATION:
if (GDISP.Orientation == (gdisp_orientation_t)value)
return;
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
GDISP.Width = wWidth;
GDISP.Height = wHeight;
break;
case GDISP_ROTATE_90:
GDISP.Height = wWidth;
GDISP.Width = wHeight;
break;
case GDISP_ROTATE_180:
GDISP.Width = wWidth;
GDISP.Height = wHeight;
break;
case GDISP_ROTATE_270:
GDISP.Height = wWidth;
GDISP.Width = wHeight;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
return;
/*
case GDISP_CONTROL_POWER:
case GDISP_CONTROL_BACKLIGHT:
case GDISP_CONTROL_CONTRAST:
*/
}
}
#endif
#if GINPUT_NEED_MOUSE
void ginput_lld_mouse_init(void) {}
void ginput_lld_mouse_get_reading(MouseReading *pt) {
pt->x = mousex;
pt->y = mousey > wHeight ? wHeight : mousey;
pt->z = (mousebuttons & GINPUT_MOUSE_BTN_LEFT) ? 100 : 0;
pt->buttons = mousebuttons;
}
#endif /* GINPUT_NEED_MOUSE */
#if GINPUT_NEED_TOGGLE
void ginput_lld_toggle_init(const GToggleConfig *ptc) { (void) ptc; }
unsigned ginput_lld_toggle_getbits(const GToggleConfig *ptc) { (void) ptc; return toggles; }
#endif /* GINPUT_NEED_MOUSE */
#endif /* GFX_USE_GDISP */
/** @} */
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