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authorMatthias Melcher <fltk@matthiasm.com>2016-01-27 22:35:58 +0000
committerMatthias Melcher <fltk@matthiasm.com>2016-01-27 22:35:58 +0000
commit780f43a4f14f56678c503fa279517c418b697877 (patch)
treefdb76e5f5b0b47ca652b497e5c096d60d0a67c54 /src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx
parent6177c23d901c8748fd908b3bd1106b403f017d7f (diff)
Removed all references to Quartz driver files from library headers in Xcode. Works in Xcode.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11065 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx')
-rw-r--r--src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx122
1 files changed, 121 insertions, 1 deletions
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx
index 87fcbc068..8b3229459 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx
@@ -16,7 +16,10 @@
// http://www.fltk.org/str.php
//
-////////////////////////////////////////////////////////////////
+#include "config_lib.h"
+#ifdef FL_CFG_GFX_QUARTZ
+
+#include "Fl_Quartz_Graphics_Driver.h"
#include <config.h>
#include <FL/Fl.H>
@@ -162,6 +165,123 @@ void fl_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b) {
fl_rectf(x,y,w,h);
}
+void Fl_Quartz_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {
+ int X, Y, W, H;
+ if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) {
+ return;
+ }
+ if (bm->id_ && fl_gc) {
+ CGRect rect = { { (CGFloat)X, (CGFloat)Y }, { (CGFloat)W, (CGFloat)H } };
+ Fl_X::q_begin_image(rect, cx, cy, bm->w(), bm->h());
+ CGContextDrawImage(fl_gc, rect, (CGImageRef)bm->id_);
+ Fl_X::q_end_image();
+ }
+}
+
+static void imgProviderReleaseData (void *info, const void *data, size_t size)
+{
+ if (!info || *(bool*)info) delete[] (unsigned char *)data;
+ delete (bool*)info;
+}
+
+static int start(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int w, int h, int &cx, int &cy,
+ int &X, int &Y, int &W, int &H)
+{
+ // account for current clip region (faster on Irix):
+ fl_clip_box(XP,YP,WP,HP,X,Y,W,H);
+ cx += X-XP; cy += Y-YP;
+ // clip the box down to the size of image, quit if empty:
+ if (cx < 0) {W += cx; X -= cx; cx = 0;}
+ if (cx+W > w) W = w-cx;
+ if (W <= 0) return 1;
+ if (cy < 0) {H += cy; Y -= cy; cy = 0;}
+ if (cy+H > h) H = h-cy;
+ if (H <= 0) return 1;
+ return 0;
+}
+
+void Fl_Quartz_Graphics_Driver::draw(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy) {
+ int X, Y, W, H;
+ // Don't draw an empty image...
+ if (!img->d() || !img->array) {
+ img->draw_empty(XP, YP);
+ return;
+ }
+ if (start(img, XP, YP, WP, HP, img->w(), img->h(), cx, cy, X, Y, W, H)) {
+ return;
+ }
+ if (!img->id_) {
+ CGColorSpaceRef lut = img->d()<=2 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB();
+ int ld = img->ld();
+ if (!ld) ld = img->w() * img->d();
+ // If img->alloc_array == 0, the CGImage data provider must not release the image data.
+ // If img->alloc_array != 0, the CGImage data provider will take responsibilty of deleting RGB image data after use:
+ // when the CGImage is deallocated, the release callback of its data provider
+ // (imgProviderReleaseData) is called and can delete the RGB image data.
+ // If the CGImage is printed, it is not deallocated until after the end of the page,
+ // therefore, with img->alloc_array != 0, the RGB image can be safely deleted any time after return from this function.
+ // The previously unused mask_ member allows to make sure the RGB image data is not deleted by Fl_RGB_Image::uncache().
+ if (img->alloc_array) img->mask_ = new bool(true);
+ CGDataProviderRef src = CGDataProviderCreateWithData(img->mask_, img->array, ld * img->h(),
+ img->alloc_array?imgProviderReleaseData:NULL);
+ img->id_ = CGImageCreate(img->w(), img->h(), 8, img->d()*8, ld,
+ lut, (img->d()&1)?kCGImageAlphaNone:kCGImageAlphaLast,
+ src, 0L, false, kCGRenderingIntentDefault);
+ CGColorSpaceRelease(lut);
+ CGDataProviderRelease(src);
+ }
+ if (img->id_ && fl_gc) {
+ if (!img->alloc_array && has_feature(PRINTER) && !CGImageGetShouldInterpolate((CGImageRef)img->id_)) {
+ // When printing, the image data is used when the page is completed, that is, after return from this function.
+ // If the image has alloc_array = 0, we must protect against image data being freed before it is used:
+ // we duplicate the image data and have it deleted after use by the release-callback of the CGImage data provider
+ Fl_RGB_Image* img2 = (Fl_RGB_Image*)img->copy();
+ img2->alloc_array = 0;
+ const uchar *img_bytes = img2->array;
+ int ld = img2->ld();
+ if (!ld) ld = img2->w() * img2->d();
+ delete img2;
+ img->uncache();
+ CGColorSpaceRef lut = img->d()<=2 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB();
+ CGDataProviderRef src = CGDataProviderCreateWithData( NULL, img_bytes, ld * img->h(), imgProviderReleaseData);
+ img->id_ = CGImageCreate(img->w(), img->h(), 8, img->d()*8, ld,
+ lut, (img->d()&1)?kCGImageAlphaNone:kCGImageAlphaLast,
+ src, 0L, true, kCGRenderingIntentDefault);
+ CGColorSpaceRelease(lut);
+ CGDataProviderRelease(src);
+ }
+ CGRect rect = CGRectMake(X, Y, W, H);
+ Fl_X::q_begin_image(rect, cx, cy, img->w(), img->h());
+ CGContextDrawImage(fl_gc, rect, (CGImageRef)img->id_);
+ Fl_X::q_end_image();
+ }
+}
+
+int Fl_Quartz_Graphics_Driver::draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP) {
+ int X, Y, W, H;
+ fl_clip_box(XP,YP,WP,HP,X,Y,W,H); // X,Y,W,H will give the unclipped area of XP,YP,WP,HP
+ if (W == 0 || H == 0) return 1;
+ fl_push_no_clip(); // remove the FLTK clip that can't be rescaled
+ CGContextSaveGState(fl_gc);
+ CGContextClipToRect(fl_gc, CGRectMake(X, Y, W, H)); // this clip path will be rescaled & translated
+ CGContextTranslateCTM(fl_gc, XP, YP);
+ CGContextScaleCTM(fl_gc, float(WP)/img->w(), float(HP)/img->h());
+ img->draw(0, 0, img->w(), img->h(), 0, 0);
+ CGContextRestoreGState(fl_gc);
+ fl_pop_clip(); // restore FLTK's clip
+ return 1;
+}
+
+void Fl_Quartz_Graphics_Driver::draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy) {
+ int X, Y, W, H;
+ if (pxm->prepare(XP, YP, WP, HP, cx, cy, X, Y, W, H)) return;
+ copy_offscreen(X, Y, W, H, (Fl_Offscreen)pxm->id_, cx, cy);
+}
+
+
+
+#endif // FL_CFG_GFX_QUARTZ
+
//
// End of "$Id$".
//