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Fix potential crash with truecolor oscill image and make oscill more flexible; bug #729

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git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1721 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
avolkov
2005-05-06 15:02:23 +00:00
parent 78adc95113
commit 24b63d16a4
1 changed files with 17 additions and 7 deletions
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sc2/src/sc2code/oscill.c
+17 -7
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@@ -37,11 +37,21 @@ InitOscilloscope (DWORD x, DWORD y, DWORD width, DWORD height, FRAME f)
if (!scope_init)
{
TFB_Canvas scope_bg_canvas, scope_surf_canvas;
scope_bg_canvas = TFB_DrawCanvas_New_Paletted (width, height,
scope_frame->image->Palette, -1);
if (TFB_DrawCanvas_IsPaletted (scope_frame->image->NormalImg))
{
scope_bg_canvas = TFB_DrawCanvas_New_Paletted (width, height,
scope_frame->image->Palette, -1);
scope_surf_canvas = TFB_DrawCanvas_New_Paletted (width, height,
scope_frame->image->Palette, -1);
}
else
{
scope_bg_canvas = TFB_DrawCanvas_New_ForScreen (width, height,
FALSE);
scope_surf_canvas = TFB_DrawCanvas_New_ForScreen (width, height,
FALSE);
}
scope_bg = TFB_DrawImage_New (scope_bg_canvas);
scope_surf_canvas = TFB_DrawCanvas_New_Paletted (width, height,
scope_frame->image->Palette, -1);
scope_surf = TFB_DrawImage_New (scope_surf_canvas);
TFB_DrawImage_Image (scope_frame->image, 0, 0, 0, NULL, scope_bg);
scope_init = 1;
@@ -81,9 +91,9 @@ Oscilloscope (DWORD grab_data)
if (GetSoundData (scope_data))
{
int i, r, g, b;
r = scope_surf->Palette[238].r;
g = scope_surf->Palette[238].g;
b = scope_surf->Palette[238].b;
TFB_DrawCanvas_GetPixel (scope_bg->NormalImg,
scope_bg->extent.width / 2, scope_bg->extent.height / 2,
&r, &g, &b);
for (i = 0; i < RADAR_WIDTH - 3; ++i)
TFB_DrawImage_Line (i + 1, scope_data[i], i + 2,
scope_data[i + 1], r, g, b, scope_surf);