Fixes to gdisp Win32 driver
Fixes to gdisp Win32 driver. This is now fully operational.ugfx_release_2.6
Andrew Hannam
parent
c5f9012fd6
commit
9fcff16f7e
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@ -2,14 +2,14 @@
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ChibiOS/RT - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS-LCD-Driver.
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This file is part of ChibiOS/GFX.
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ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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@ -55,9 +55,9 @@ static HWND winRootWindow = NULL;
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static HDC dcBuffer = NULL;
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static HBITMAP dcBitmap = NULL;
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static HBITMAP dcOldBitmap;
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static volatile bool_t isReady = FALSE;
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static LRESULT
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myWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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static LRESULT myWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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{
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HDC dc;
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PAINTSTRUCT ps;
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@ -107,42 +107,15 @@ myWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
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return 0;
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}
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/* ---- Required Routines ---- */
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/*
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The following 2 routines are required.
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All other routines are optional.
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*/
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/**
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* @brief Low level GDISP driver initialisation.
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* @return TRUE if successful, FALSE on error.
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*
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* @notapi
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*/
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bool_t GDISP_LLD(init)(void) {
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/* Initialise the window */
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static DWORD WINAPI WindowThread(LPVOID lpParameter) {
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(void)lpParameter;
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MSG msg;
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HANDLE hInstance;
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HDC rootDC;
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int depth;
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RECT rect;
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PSUBDRIVER subdriver;
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WNDCLASS wc;
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RECT rect;
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hInstance = GetModuleHandle(NULL);
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rootDC = CreateDC("DISPLAY", NULL, NULL, NULL);
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depth = GetDeviceCaps(rootDC, BITSPIXEL);
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DeleteDC(rootDC);
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GetWindowRect(GetDesktopWindow(), &rect);
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GDISP.Width = rect.right - rect.left;
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GDISP.Height = rect.bottom - rect.top;
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if (GDISP.Width > GDISP_SCREEN_WIDTH)
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GDISP.Width = GDISP_SCREEN_WIDTH;
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if (GDISP.Height > GDISP_SCREEN_HEIGHT)
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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wc.style = CS_HREDRAW | CS_VREDRAW; // | CS_OWNDC;
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wc.lpfnWndProc = (WNDPROC)myWindowProc;
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@ -167,11 +140,54 @@ bool_t GDISP_LLD(init)(void) {
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dcBuffer = CreateCompatibleDC(dc);
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dcOldBitmap = SelectObject(dcBuffer, dcBitmap);
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ReleaseDC(winRootWindow, dc);
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ShowWindow(winRootWindow, SW_SHOW);
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UpdateWindow(winRootWindow);
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isReady = TRUE;
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while(GetMessage(&msg, NULL, 0, 0) > 0) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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ExitProcess(0);
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return msg.wParam;
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}
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/* ---- Required Routines ---- */
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/*
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The following 2 routines are required.
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All other routines are optional.
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*/
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/**
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* @brief Low level GDISP driver initialisation.
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* @return TRUE if successful, FALSE on error.
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*
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* @notapi
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*/
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bool_t GDISP_LLD(init)(void) {
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RECT rect;
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/* Set the window dimensions */
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GetWindowRect(GetDesktopWindow(), &rect);
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GDISP.Width = rect.right - rect.left;
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GDISP.Height = rect.bottom - rect.top;
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if (GDISP.Width > GDISP_SCREEN_WIDTH)
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GDISP.Width = GDISP_SCREEN_WIDTH;
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if (GDISP.Height > GDISP_SCREEN_HEIGHT)
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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/* Initialise the window */
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CreateThread(0, 0, WindowThread, 0, 0, 0);
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while (!isReady)
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Sleep(1);
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/* Initialise the GDISP structure to match */
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GDISP.Orientation = GDISP.Width > GDISP.Height ? landscape : portrait;
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GDISP.Orientation = GDISP_ROTATE_0;
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GDISP.Powermode = powerOn;
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GDISP.Backlight = 100;
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GDISP.Contrast = 50;
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@ -200,11 +216,15 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
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#endif
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// Draw the pixel in the buffer
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color = COLOR2BGR(color);
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SetPixel(dcBuffer, x, y, color);
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// Draw the pixel again directly on the screen.
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// This is cheaper than invalidating a single pixel in the window
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dc = GetDC(winRootWindow);
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SetPixel(dc, x, y, color);
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ReleaseDC(winRootWindow, dc);
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SetPixel(dcBuffer, x, y, color);
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}
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/* ---- Optional Routines ---- */
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@ -234,8 +254,22 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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#endif
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color = COLOR2BGR(color);
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pen = CreatePen(PS_SOLID, 1, c);
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pen = CreatePen(PS_SOLID, 1, color);
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if (pen) {
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// Draw the line in the buffer
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#if GDISP_NEED_CLIP
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if (clip) SelectClipRgn(dcBuffer, clip);
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#endif
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old = SelectObject(dcBuffer, pen);
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MoveToEx(dcBuffer, x0, y0, &p);
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LineTo(dcBuffer, x1, y1);
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SelectObject(dcBuffer, old);
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SetPixel(dcBuffer, x1, y1, color);
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#if GDISP_NEED_CLIP
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if (clip) SelectClipRgn(dcBuffer, NULL);
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#endif
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// Redrawing the line on the screen is cheaper than invalidating the whole rectangular area
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dc = GetDC(winRootWindow);
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#if GDISP_NEED_CLIP
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if (clip) SelectClipRgn(dc, clip);
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@ -250,18 +284,6 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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#endif
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ReleaseDC(winRootWindow, dc);
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#if GDISP_NEED_CLIP
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if (clip) SelectClipRgn(dcBuffer, clip);
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#endif
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old = SelectObject(dcBuffer, pen);
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MoveToEx(dcBuffer, x0, y0, &p);
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LineTo(dcBuffer, x1, y1);
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SelectObject(dcBuffer, old);
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SetPixel(dcBuffer, x1, y1, color);
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#if GDISP_NEED_CLIP
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if (clip) SelectClipRgn(dcBuffer, NULL);
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#endif
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DeleteObject(pen);
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}
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}
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@ -279,8 +301,8 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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* @notapi
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*/
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void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
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RECT rect;
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HDC dc;
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RECT rect;
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HBRUSH hbr;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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@ -295,14 +317,19 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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hbr = CreateSolidBrush(color);
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if (hbr) {
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rect.bottom = y+cy-1;
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rect.bottom = y+cy;
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rect.top = y;
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rect.left = x;
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rect.right = x+cx-1;
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rect.right = x+cx;
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// Fill the area
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FillRect(dcBuffer, &rect, hbr);
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// Filling the area directly on the screen is likely to be cheaper than invalidating it
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dc = GetDC(winRootWindow);
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FillRect(dc, &rect, hbr);
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ReleaseDC(winRootWindow, dc);
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FillRect(dcBuffer, &rect, hbr);
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DeleteObject(hbr);
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}
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}
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@ -322,8 +349,8 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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* @notapi
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*/
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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) {
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HDC dc;
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BITMAPV4HEADER bmpInfo;
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RECT rect;
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#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
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if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
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@ -334,14 +361,13 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
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#endif
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dc = GetDC(winRootWindow);
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memset(&bmpInfo, 0, sizeof(bmpInfo));
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bmpInfo.bV4Size = sizeof(bmpInfo);
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bmpInfo.bV4Width = srccx;
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bmpInfo.bV4Height = -(srcy+cy); /* top-down image */
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bmpInfo.bV4Planes = 1;
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bmpInfo.bV4BitCount = BITSPERPIXEL;
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bmpInfo.bV4SizeImage = ((srcy+cy)*srccx * BITSPERPIXEL)/8;
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bmpInfo.bV4BitCount = 32;
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bmpInfo.bV4SizeImage = ((srcy+cy)*srccx * 32)/8;
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bmpInfo.bV4AlphaMask = 0;
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bmpInfo.bV4RedMask = RGB2COLOR(255,0,0);
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bmpInfo.bV4GreenMask = RGB2COLOR(0,255,0);
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@ -351,13 +377,18 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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bmpInfo.bV4YPelsPerMeter = 3078;
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bmpInfo.bV4ClrUsed = 0;
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bmpInfo.bV4ClrImportant = 0;
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bmpInfo.bV4CSType = LCS_sRGB;
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bmpInfo.bV4CSType = 0; //LCS_sRGB;
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SetDIBitsToDevice(dc, x, y, cx, cy, srcx, srcy, 0, cy+srcy, buffer,
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(BITMAPINFO*)&bmpInfo, DIB_RGB_COLORS);
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SetDIBitsToDevice(dcBuffer, x, y, cx, cy, srcx, srcy, 0, cy+srcy, buffer,
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(BITMAPINFO*)&bmpInfo, DIB_RGB_COLORS);
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ReleaseDC(winRootWindow, dc);
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// Draw the bitmap
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SetDIBitsToDevice(dcBuffer, x, y, cx, cy, srcx, srcy, 0, cy+srcy, buffer, (BITMAPINFO*)&bmpInfo, DIB_RGB_COLORS);
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// Invalidate the region to get it on the screen.
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rect.bottom = y+cy;
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rect.top = y;
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rect.left = x;
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rect.right = x+cx;
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InvalidateRect(winRootWindow, &rect, FALSE);
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UpdateWindow(winRootWindow);
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}
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#endif
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@ -11,3 +11,7 @@ To use this driver:
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2. To your makefile add the following lines:
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include $(GFXLIB)/gfx.mk
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include $(GFXLIB)/drivers/gdisp/Win32/gdisp_lld.mk
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3. Modify your makefile to add -lgdi32 to the DLIBS line. i.e.
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DLIBS = -lws2_32 -lgdi32
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