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image: Bug fix: pixels must be reset after any drawing (TODO: add test)

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Hajime Hoshi 2015-01-22 04:27:27 +09:00
parent 1fa39e3b8a
commit afe4c76b50
1 changed files with 3 additions and 0 deletions
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3
image.go
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@ -103,6 +103,7 @@ func (i *Image) DrawLine(x0, y0, x1, y1 int, clr color.Color) error {
// DrawLines draws lines. // DrawLines draws lines.
func (i *Image) DrawLines(lines Lines) (err error) { func (i *Image) DrawLines(lines Lines) (err error) {
i.pixels = nil
ui.Use(func(c *opengl.Context) { ui.Use(func(c *opengl.Context) {
err = i.framebuffer.DrawLines(c, lines) err = i.framebuffer.DrawLines(c, lines)
}) })
@ -126,6 +127,7 @@ func (i *Image) DrawFilledRect(x, y, width, height int, clr color.Color) error {
// DrawFilledRects draws filled rectangles on the image. // DrawFilledRects draws filled rectangles on the image.
func (i *Image) DrawFilledRects(rects Rects) (err error) { func (i *Image) DrawFilledRects(rects Rects) (err error) {
i.pixels = nil
ui.Use(func(c *opengl.Context) { ui.Use(func(c *opengl.Context) {
err = i.framebuffer.DrawFilledRects(c, rects) err = i.framebuffer.DrawFilledRects(c, rects)
}) })
@ -169,6 +171,7 @@ func (i *Image) At(x, y int) color.Color {
// //
// This function may be slow (as for implementation, this calls glTexSubImage2D). // This function may be slow (as for implementation, this calls glTexSubImage2D).
func (i *Image) ReplacePixels(p []uint8) error { func (i *Image) ReplacePixels(p []uint8) error {
i.pixels = nil
w, h := i.Size() w, h := i.Size()
l := 4 * w * h l := 4 * w * h
if len(p) != l { if len(p) != l {