From d577d991b97ae2b5ee1af23641bcffc3f83af5b2 Mon Sep 17 00:00:00 2001 From: Pixel Date: Wed, 4 Nov 2009 11:56:41 -0800 Subject: Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux. --- cd/src/win32/cdwnative.c | 209 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100755 cd/src/win32/cdwnative.c (limited to 'cd/src/win32/cdwnative.c') diff --git a/cd/src/win32/cdwnative.c b/cd/src/win32/cdwnative.c new file mode 100755 index 0000000..fdc223e --- /dev/null +++ b/cd/src/win32/cdwnative.c @@ -0,0 +1,209 @@ +/** \file + * \brief Windows Native Window Driver + * + * See Copyright Notice in cd.h + */ + +#include +#include + +#include "cdwin.h" +#include "cdnative.h" + + +int cdGetScreenColorPlanes(void) +{ + int bpp; + HDC ScreenDC = GetDC(NULL); + bpp = GetDeviceCaps(ScreenDC, BITSPIXEL); + ReleaseDC(NULL, ScreenDC); + return bpp; +} + +void cdGetScreenSize(int *width, int *height, double *width_mm, double *height_mm) +{ + HDC ScreenDC = GetDC(NULL); + if (width) *width = GetDeviceCaps(ScreenDC, HORZRES); + if (height) *height = GetDeviceCaps(ScreenDC, VERTRES); + if (width_mm) *width_mm = ((GetDeviceCaps(ScreenDC, HORZRES) * 25.4) / GetDeviceCaps(ScreenDC, LOGPIXELSX)); + if (height_mm) *height_mm = ((GetDeviceCaps(ScreenDC, VERTRES) * 25.4) / GetDeviceCaps(ScreenDC, LOGPIXELSY)); + ReleaseDC(NULL, ScreenDC); +} + +static void cdwReleaseDC(cdCtxCanvas *ctxcanvas) +{ + SelectObject(ctxcanvas->hDC, ctxcanvas->hOldBrush); + SelectObject(ctxcanvas->hDC, ctxcanvas->hOldPen); + SelectObject(ctxcanvas->hDC, ctxcanvas->hOldFont); + ReleaseDC(ctxcanvas->hWnd, ctxcanvas->hDC); + ctxcanvas->hDC = NULL; +} + +static int cdactivate(cdCtxCanvas *ctxcanvas) +{ + if (ctxcanvas->hWnd) + { + RECT rect; + HDC ScreenDC; + GetClientRect(ctxcanvas->hWnd, &rect); + ctxcanvas->canvas->w = rect.right - rect.left; + ctxcanvas->canvas->h = rect.bottom - rect.top; + + ctxcanvas->canvas->w_mm = ((double)ctxcanvas->canvas->w) / ctxcanvas->canvas->xres; + ctxcanvas->canvas->h_mm = ((double)ctxcanvas->canvas->h) / ctxcanvas->canvas->yres; + + ScreenDC = GetDC(NULL); + ctxcanvas->canvas->bpp = GetDeviceCaps(ScreenDC, BITSPIXEL); + ReleaseDC(NULL, ScreenDC); + + if (ctxcanvas->canvas->use_matrix) + ctxcanvas->canvas->cxTransform(ctxcanvas, ctxcanvas->canvas->matrix); + } + + /* Se nao e' ownwer, tem que restaurar o contexto */ + if (!ctxcanvas->isOwnedDC) + { + if (ctxcanvas->hDC) /* deactivate not called */ + cdwReleaseDC(ctxcanvas); + + ctxcanvas->hDC = GetDC(ctxcanvas->hWnd); + cdwRestoreDC(ctxcanvas); + } + + return CD_OK; +} + +static void cddeactivate(cdCtxCanvas *ctxcanvas) +{ + /* Se nao e' ownwer, tem que liberar o contexto */ + if (!ctxcanvas->isOwnedDC && ctxcanvas->hDC) + cdwReleaseDC(ctxcanvas); +} + +static void cdkillcanvas(cdCtxCanvas *ctxcanvas) +{ + /* se nao e' owner e nao esta' ativo, simula ativacao */ + if (!ctxcanvas->isOwnedDC && !ctxcanvas->hDC) + { + ctxcanvas->hDC = GetDC(ctxcanvas->hWnd); + cdwRestoreDC(ctxcanvas); + } + + cdwKillCanvas(ctxcanvas); + + if (ctxcanvas->release_dc) + ReleaseDC(ctxcanvas->hWnd, ctxcanvas->hDC); + + memset(ctxcanvas, 0, sizeof(cdCtxCanvas)); + free(ctxcanvas); +} + +static void cdcreatecanvas(cdCanvas* canvas, void *data) +{ + cdCtxCanvas* ctxcanvas; + HWND hWnd = NULL; + HDC hDC, ScreenDC; + int release_dc = 0; + + ScreenDC = GetDC(NULL); + canvas->bpp = GetDeviceCaps(ScreenDC, BITSPIXEL); + canvas->xres = (float)(((double)GetDeviceCaps(ScreenDC, LOGPIXELSX)) / 25.4); + canvas->yres = (float)(((double)GetDeviceCaps(ScreenDC, LOGPIXELSY)) / 25.4); + ReleaseDC(NULL, ScreenDC); + + if (!data) + { + hDC = GetDC(NULL); + release_dc = 1; + canvas->w = GetDeviceCaps(hDC, HORZRES); + canvas->h = GetDeviceCaps(hDC, VERTRES); + } + else if (IsWindow((HWND)data)) + { + RECT rect; + hWnd = (HWND)data; + + hDC = GetDC(hWnd); + release_dc = 1; + + GetClientRect(hWnd, &rect); + canvas->w = rect.right - rect.left; + canvas->h = rect.bottom - rect.top; + } + else /* can be a HDC or a string */ + { + DWORD objtype = GetObjectType((HGDIOBJ)data); + if (objtype == OBJ_DC || objtype == OBJ_MEMDC || + objtype == OBJ_ENHMETADC || objtype == OBJ_METADC) + { + hDC = (HDC)data; + canvas->w = GetDeviceCaps(hDC, HORZRES); + canvas->h = GetDeviceCaps(hDC, VERTRES); + } + else + { + hDC = NULL; + canvas->w = 0; + canvas->h = 0; + sscanf((char*)data,"%p %dx%d", &hDC, &canvas->w, &canvas->h); + + if (!hDC || !canvas->w || !canvas->h) + return; + } + release_dc = 0; + } + + canvas->w_mm = ((double)canvas->w) / canvas->xres; + canvas->h_mm = ((double)canvas->h) / canvas->yres; + + /* Inicializa driver WIN32 */ + ctxcanvas = cdwCreateCanvas(canvas, hWnd, hDC, CDW_WIN); + + ctxcanvas->release_dc = release_dc; + ctxcanvas->clip_pnt[2].x = ctxcanvas->clip_pnt[1].x = canvas->w - 1; + ctxcanvas->clip_pnt[3].y = ctxcanvas->clip_pnt[2].y = canvas->h - 1; + + if (hWnd) + { + LONG style; + style = GetClassLong(hWnd, GCL_STYLE); + ctxcanvas->isOwnedDC = (int) ((style & CS_OWNDC) || (style & CS_CLASSDC)); + } + else + ctxcanvas->isOwnedDC = 1; + + /* Se nao e' ownwer, tem que liberar o contexto */ + if (!ctxcanvas->isOwnedDC) + cdwReleaseDC(ctxcanvas); +} + +static void cdinittable(cdCanvas* canvas) +{ + cdwInitTable(canvas); + + canvas->cxKillCanvas = cdkillcanvas; + canvas->cxActivate = cdactivate; + canvas->cxDeactivate = cddeactivate; +} + +static cdContext cdNativeContext = +{ + CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_FPRIMTIVES ), + 0, + cdcreatecanvas, + cdinittable, + NULL, + NULL, +}; + +cdContext* cdContextNativeWindow(void) +{ + if (cdUseContextPlus(CD_QUERY)) + { + cdContext* ctx = cdGetContextPlus(CD_CTX_NATIVEWINDOW); + if (ctx != NULL) + return ctx; + } + + return &cdNativeContext; +} -- cgit v1.2.3