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Fix for issue #155 - continued

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The issue lies in details how floating point scaled coordinates are converted
to integer values and its impact on the drawing of large SVG images.
This commit fixes the X11 platform.
The macOS platform is immune because drawing uses floating point
coordinates.
The Windows platform still needs fixing.
This commit is contained in:
ManoloFLTK
2020-11-12 07:46:00 +01:00
parent df9749e6a8
commit 231159e16c
9 changed files with 38 additions and 20 deletions
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FL/Fl_Graphics_Driver.H
+1 -1
View File
@@ -236,7 +236,7 @@ protected:
static void draw_empty(Fl_Image* img, int X, int Y) {img->draw_empty(X, Y);}
Fl_Graphics_Driver();
virtual void cache_size(int &width, int &height);
virtual void cache_size(Fl_Image *img, int &width, int &height);
static unsigned need_pixmap_bg_color;
public:
virtual ~Fl_Graphics_Driver() {} ///< Destructor
FL/Fl_SVG_Image.H
+2
View File
@@ -133,6 +133,7 @@ struct NSVGimage;
*/
class FL_EXPORT Fl_SVG_Image : public Fl_RGB_Image {
friend class Fl_Graphics_Driver;
private:
typedef struct {
NSVGimage* svg_image;
@@ -146,6 +147,7 @@ private:
float average_weight_;
float svg_scaling_(int W, int H);
void rasterize_(int W, int H);
void cache_size(int &width, int &height);
void init_(const char *filename, const char *filedata, Fl_SVG_Image *copy_source);
Fl_SVG_Image(Fl_SVG_Image *source);
public: