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authorscuri <scuri>2008-10-17 06:10:33 +0000
committerscuri <scuri>2008-10-17 06:10:33 +0000
commit7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf (patch)
treed0857278bde2eff784227c57dcaf930346ceb7ac /src/win32/cdwdbuf.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/win32/cdwdbuf.c')
-rw-r--r--src/win32/cdwdbuf.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/src/win32/cdwdbuf.c b/src/win32/cdwdbuf.c
new file mode 100644
index 0000000..035e29e
--- /dev/null
+++ b/src/win32/cdwdbuf.c
@@ -0,0 +1,169 @@
+/** \file
+ * \brief Windows Double Buffer
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "cdwin.h"
+#include "cddbuf.h"
+
+
+static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
+{
+ cdKillImage(ctxcanvas->image_dbuffer);
+ cdwKillCanvas(ctxcanvas);
+
+ memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
+ free(ctxcanvas);
+}
+
+static void cddeactivate(cdCtxCanvas* ctxcanvas)
+{
+ cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
+ /* this is done in the canvas_dbuffer context */
+ cdCanvasDeactivate(canvas_dbuffer);
+}
+
+static void cdflush(cdCtxCanvas *ctxcanvas)
+{
+ int old_writemode;
+ cdImage* image_dbuffer = ctxcanvas->image_dbuffer;
+ cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
+
+ GdiFlush();
+
+ /* this is done in the canvas_dbuffer context */
+ /* Flush can be affected by Origin and Clipping, but not WriteMode */
+ old_writemode = cdCanvasWriteMode(canvas_dbuffer, CD_REPLACE);
+ cdCanvasPutImageRect(canvas_dbuffer, image_dbuffer, 0, 0, 0, 0, 0, 0);
+ cdCanvasWriteMode(canvas_dbuffer, old_writemode);
+}
+
+static void cdcreatecanvas(cdCanvas* canvas, cdCanvas* canvas_dbuffer)
+{
+ cdCtxCanvas* ctxcanvas;
+ cdImage* image_dbuffer;
+ cdCtxImage* ctximage;
+
+ /* this is done in the canvas_dbuffer context */
+ image_dbuffer = cdCanvasCreateImage(canvas_dbuffer, canvas_dbuffer->w, canvas_dbuffer->h);
+ if (!image_dbuffer)
+ return;
+
+ ctximage = image_dbuffer->ctximage;
+
+ /* Inicializa driver DBuffer */
+ ctxcanvas = cdwCreateCanvas(canvas, NULL, ctximage->hDC, CDW_BMP);
+
+ ctxcanvas->image_dbuffer = image_dbuffer;
+ ctxcanvas->canvas_dbuffer = canvas_dbuffer;
+
+ canvas->w = ctximage->w;
+ canvas->h = ctximage->h;
+ canvas->w_mm = ctximage->w_mm;
+ canvas->h_mm = ctximage->h_mm;
+ canvas->bpp = ctximage->bpp;
+ canvas->xres = ctximage->xres;
+ canvas->yres = ctximage->yres;
+ ctxcanvas->clip_pnt[2].x = ctxcanvas->clip_pnt[1].x = ctximage->w - 1;
+ ctxcanvas->clip_pnt[3].y = ctxcanvas->clip_pnt[2].y = ctximage->h - 1;
+}
+
+static int cdactivate(cdCtxCanvas *ctxcanvas)
+{
+ cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
+
+ /* this is done in the canvas_dbuffer context */
+ /* this will update canvas size */
+ cdCanvasActivate(canvas_dbuffer);
+
+ /* check if the size changed */
+ if (canvas_dbuffer->w != ctxcanvas->image_dbuffer->w ||
+ canvas_dbuffer->h != ctxcanvas->image_dbuffer->h)
+ {
+ cdCanvas* canvas = ctxcanvas->canvas;
+ /* save the current, if the rebuild fail */
+ cdImage* old_image_dbuffer = ctxcanvas->image_dbuffer;
+ cdCtxCanvas* old_ctxcanvas = ctxcanvas;
+
+ /* if the image is rebuild, the canvas that uses the image must be also rebuild */
+
+ /* rebuild the image and the canvas */
+ canvas->ctxcanvas = NULL;
+ cdcreatecanvas(canvas, canvas_dbuffer);
+ if (!canvas->ctxcanvas)
+ {
+ canvas->ctxcanvas = old_ctxcanvas;
+ return CD_ERROR;
+ }
+
+ /* remove the old image and canvas */
+ cdKillImage(old_image_dbuffer);
+ cdwKillCanvas(old_ctxcanvas);
+ free(old_ctxcanvas);
+
+ ctxcanvas = canvas->ctxcanvas;
+
+ /* update canvas attributes */
+ canvas->cxBackground(ctxcanvas, canvas->background);
+ canvas->cxForeground(ctxcanvas, canvas->foreground);
+ canvas->cxBackOpacity(ctxcanvas, canvas->back_opacity);
+ canvas->cxWriteMode(ctxcanvas, canvas->write_mode);
+ canvas->cxLineStyle(ctxcanvas, canvas->line_style);
+ canvas->cxLineWidth(ctxcanvas, canvas->line_width);
+ canvas->cxLineCap(ctxcanvas, canvas->line_cap);
+ canvas->cxLineJoin(ctxcanvas, canvas->line_join);
+ canvas->cxHatch(ctxcanvas, canvas->hatch_style);
+ if (canvas->stipple) canvas->cxStipple(ctxcanvas, canvas->stipple_w, canvas->stipple_h, canvas->stipple);
+ if (canvas->pattern) canvas->cxPattern(ctxcanvas, canvas->pattern_w, canvas->pattern_h, canvas->pattern);
+ canvas->cxInteriorStyle(ctxcanvas, canvas->interior_style);
+ if (canvas->native_font[0] == 0) canvas->cxFont(ctxcanvas, canvas->font_type_face, canvas->font_style, canvas->font_size);
+ else canvas->cxNativeFont(ctxcanvas, canvas->native_font);
+ canvas->cxTextAlignment(ctxcanvas, canvas->text_alignment);
+ canvas->cxTextOrientation(ctxcanvas, canvas->text_orientation);
+ if (canvas->use_matrix && canvas->cxTransform) canvas->cxTransform(ctxcanvas, canvas->matrix);
+ if (canvas->clip_mode == CD_CLIPAREA && canvas->cxClipArea) canvas->cxClipArea(ctxcanvas, canvas->clip_rect.xmin, canvas->clip_rect.xmax, canvas->clip_rect.ymin, canvas->clip_rect.ymax);
+/* if (canvas->clip_mode == CD_CLIPAREA && canvas->cxFClipArea) canvas->cxFClipArea(ctxcanvas, canvas->clip_frect.xmin, canvas->clip_frect.xmax, canvas->clip_frect.ymin, canvas->clip_frect.ymax); */
+ if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_poly) canvas->cxPoly(ctxcanvas, CD_CLIP, canvas->clip_poly, canvas->clip_poly_n);
+/* if (canvas->clip_mode == CD_CLIPPOLYGON && canvas->clip_fpoly) canvas->cxFPoly(ctxcanvas, CD_CLIP, canvas->clip_fpoly, canvas->clip_poly_n); */
+ if (canvas->clip_mode != CD_CLIPOFF) canvas->cxClip(ctxcanvas, canvas->clip_mode);
+ }
+
+ return CD_OK;
+}
+
+static void cdinittable(cdCanvas* canvas)
+{
+ cdwInitTable(canvas);
+
+ canvas->cxActivate = cdactivate;
+ canvas->cxDeactivate = cddeactivate;
+ canvas->cxFlush = cdflush;
+ canvas->cxKillCanvas = cdkillcanvas;
+}
+
+static cdContext cdDBufferContext =
+{
+ CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS |
+ CD_CAP_FPRIMTIVES ),
+ 0,
+ cdcreatecanvas,
+ cdinittable,
+ NULL,
+ NULL,
+};
+
+cdContext* cdContextDBuffer(void)
+{
+ if (cdUseContextPlus(CD_QUERY))
+ {
+ cdContext* ctx = cdGetContextPlus(CD_CTX_DBUFFER);
+ if (ctx != NULL)
+ return ctx;
+ }
+
+ return &cdDBufferContext;
+}